Fix #5856 Entity origin (#5861)

patches/server/Entity-AddTo-RemoveFrom-World-Events.patch

@@ -15,7 +15,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            new com.destroystokyo.paper.event.entity.EntityAddToWorldEvent(entity.getBukkitEntity()).callEvent(); // Paper - fire while valid
          }
  
-     }
+         public void onTrackingEnd(Entity entity) {
 @@ -0,0 +0,0 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
              }
  

patches/server/Entity-Origin-API.patch

@@ -9,9 +9,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -0,0 +0,0 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
-                     entityplayer.connection.send(new ClientboundBlockDestructionPacket(entityId, pos, progress));
-                 }
              }
+ 
+             entity.valid = true; // CraftBukkit
 +            // Paper start - Set origin location when the entity is being added to the world
 +            if (entity.getOriginVector() == null) {
 +                entity.setOrigin(entity.getBukkitEntity().getLocation());
@@ -19,7 +19,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            // Paper end
          }
  
-     }
+         public void onTrackingEnd(Entity entity) {
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java

patches/server/Prevent-Double-PlayerChunkMap-adds-crashing-server.patch

@@ -43,6 +43,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
  
              entity.valid = true; // CraftBukkit
 +            ServerLevel.this.getChunkSource().addEntity(entity);
-         }
- 
-         public void onTrackingEnd(Entity entity) {
+             // Paper start - Set origin location when the entity is being added to the world
+             if (entity.getOriginVector() == null) {
+                 entity.setOrigin(entity.getBukkitEntity().getLocation());