Fix lead duplication

Spigot-Server-Patches/0458-Fix-numerous-item-duplication-issues-and-teleport-is.patch

@@ -16,7 +16,7 @@ So even if something NEW comes up, it would be impossible to drop the
 same item twice because the source was destroyed.
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index 5bec3b9692f64a792e26f89b4147644eaaf4ab11..60dae06ff5c016aecba23afd7a4152fcd3234616 100644
+index 5bec3b9692f64a792e26f89b4147644eaaf4ab11..0c0d2a1c120a4c091cb24ccaf3fa6756044fac79 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
 @@ -1880,11 +1880,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
@@ -47,16 +47,30 @@ index 5bec3b9692f64a792e26f89b4147644eaaf4ab11..60dae06ff5c016aecba23afd7a4152fc
          if (this.world instanceof WorldServer && !this.dead) {
              this.world.getMethodProfiler().enter("changeDimension");
              // CraftBukkit start
-@@ -2567,7 +2574,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
-                     entity.bukkitEntity = this.getBukkitEntity();
+@@ -2552,6 +2559,11 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+                 // CraftBukkit end
  
-                     if (this instanceof EntityInsentient) {
+                 this.world.getMethodProfiler().exitEnter("reloading");
++                // Paper start - Change lead drop timing to prevent dupe
++                if (this instanceof EntityInsentient) {
++                    ((EntityInsentient) this).unleash(true, true); // Paper drop lead
++                }
++                // Paper end
+                 Entity entity = this.getEntityType().a((World) worldserver);
+ 
+                 if (entity != null) {
+@@ -2565,10 +2577,6 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+                     // CraftBukkit start - Forward the CraftEntity to the new entity
+                     this.getBukkitEntity().setHandle(entity);
+                     entity.bukkitEntity = this.getBukkitEntity();
+-
+-                    if (this instanceof EntityInsentient) {
 -                        ((EntityInsentient) this).unleash(true, false); // Unleash to prevent duping of leads.
-+                        ((EntityInsentient) this).unleash(true, true); // Paper drop lead
-                     }
+-                    }
                      // CraftBukkit end
                  }
-@@ -2687,7 +2694,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+ 
+@@ -2687,7 +2695,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
      }
  
      public boolean canPortal() {

Spigot-Server-Patches/0508-Ensure-Entity-AABB-s-are-never-invalid.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Ensure Entity AABB's are never invalid
 
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index d883da1e9101607209148a28aef8741407f13433..c9f5f341371e1ccc7c9a71bb357862424d801d8a 100644
+index 50f53c764b9b4934093b08418b92be5b02162588..dce88b30fc5b401266ee6395c6540ac404528ba9 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
 @@ -389,7 +389,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
@@ -17,7 +17,7 @@ index d883da1e9101607209148a28aef8741407f13433..c9f5f341371e1ccc7c9a71bb35786242
          if (valid) ((WorldServer) world).chunkCheck(this); // CraftBukkit
      }
  
-@@ -2897,6 +2897,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -2898,6 +2898,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
          return new AxisAlignedBB(vec3d, vec3d1);
      }
  
@@ -25,7 +25,7 @@ index d883da1e9101607209148a28aef8741407f13433..c9f5f341371e1ccc7c9a71bb35786242
      public void a(AxisAlignedBB axisalignedbb) {
          // CraftBukkit start - block invalid bounding boxes
          double minX = axisalignedbb.minX,
-@@ -3335,6 +3336,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -3336,6 +3337,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
      }
  
      public void setPositionRaw(double d0, double d1, double d2) {

Spigot-Server-Patches/0574-Expose-the-Entity-Counter-to-allow-plugins-to-use-va.patch

@@ -6,10 +6,10 @@ Subject: [PATCH] Expose the Entity Counter to allow plugins to use valid and
 
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index fa0256a99c833e6035b8d3e873a93af2b674ef52..53fb4f04087c091f3354e74d6b94554601f2cbe0 100644
+index d1f09f413937bb6fa132ae707d461bf0139c26a9..f045cdacf2e7cd0e3e8cdaf2761cbfe0fec636a0 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
-@@ -3375,4 +3375,10 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -3376,4 +3376,10 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
  
          void accept(Entity entity, double d0, double d1, double d2);
      }

Spigot-Server-Patches/0576-Entity-isTicking.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Entity#isTicking
 
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index 53fb4f04087c091f3354e74d6b94554601f2cbe0..d86b67a63b37569fc4ca69ec04305a330950b0f2 100644
+index f045cdacf2e7cd0e3e8cdaf2761cbfe0fec636a0..ec3c6b20c87d253d07f70e8a8b9b909df3683b36 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
-@@ -3380,5 +3380,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -3381,5 +3381,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
      public static int nextEntityId() {
          return entityCount.incrementAndGet();
      }

Spigot-Server-Patches/0579-Fix-CME-on-adding-a-passenger-in-CreatureSpawnEvent.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Fix CME on adding a passenger in CreatureSpawnEvent
 
 
 diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
-index d86b67a63b37569fc4ca69ec04305a330950b0f2..0c952fea30aa6890809d728420e4710d95e10c19 100644
+index ec3c6b20c87d253d07f70e8a8b9b909df3683b36..3309a3ea9dc895bc910238e10d993ff5f66d4240 100644
 --- a/src/main/java/net/minecraft/server/Entity.java
 +++ b/src/main/java/net/minecraft/server/Entity.java
-@@ -3078,7 +3078,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+@@ -3079,7 +3079,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
      }
  
      public Stream<Entity> cp() {