Don't save canTick of armor stands if it has not been set by API (#2608)

Spigot-Server-Patches/Allow-disabling-armour-stand-ticking.patch

@@ -20,7 +20,7 @@ index 09607fb44..5832c3e86 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/EntityArmorStand.java b/src/main/java/net/minecraft/server/EntityArmorStand.java
-index c04dee058..aa9e69bce 100644
+index c04dee058..529e4904e 100644
 --- a/src/main/java/net/minecraft/server/EntityArmorStand.java
 +++ b/src/main/java/net/minecraft/server/EntityArmorStand.java
 @@ -0,0 +0,0 @@ public class EntityArmorStand extends EntityLiving {
@@ -29,6 +29,7 @@ index c04dee058..aa9e69bce 100644
      public boolean canMove = true; // Paper
 +    // Paper start - Allow ArmorStands not to tick
 +    public boolean canTick = true;
++    public boolean canTickSetByAPI = false;
 +    private boolean noTickPoseDirty = false;
 +    private boolean noTickEquipmentDirty = false;
 +    // Paper end
@@ -55,7 +56,7 @@ index c04dee058..aa9e69bce 100644
          }
  
          nbttagcompound.set("Pose", this.B());
-+        nbttagcompound.setBoolean("Paper.CanTick", this.canTick); // Paper - persist no tick setting
++        if (this.canTickSetByAPI) nbttagcompound.setBoolean("Paper.CanTickOverride", this.canTick); // Paper - persist no tick setting
      }
  
      @Override
@@ -64,8 +65,9 @@ index c04dee058..aa9e69bce 100644
          this.setMarker(nbttagcompound.getBoolean("Marker"));
          this.noclip = !this.A();
 +        // Paper start - persist no tick
-+        if (nbttagcompound.hasKey("Paper.CanTick")) {
-+            this.canTick = nbttagcompound.getBoolean("Paper.CanTick");
++        if (nbttagcompound.hasKey("Paper.CanTickOverride")) {
++            this.canTick = nbttagcompound.getBoolean("Paper.CanTickOverride");
++            this.canTickSetByAPI = true;
 +        }
 +        // Paper end
          NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("Pose");
@@ -256,7 +258,7 @@ index e1972f793..dbf42f882 100644
          float f2 = MathHelper.g(f - this.aK);
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftArmorStand.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftArmorStand.java
-index 9f5c3b92e..07ce93f17 100644
+index 9f5c3b92e..73714d71a 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftArmorStand.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftArmorStand.java
 @@ -0,0 +0,0 @@ public class CraftArmorStand extends CraftLivingEntity implements ArmorStand {
@@ -272,6 +274,7 @@ index 9f5c3b92e..07ce93f17 100644
 +    @Override
 +    public void setCanTick(final boolean tick) {
 +        this.getHandle().canTick = tick;
++        this.getHandle().canTickSetByAPI = true;
 +    }
      // Paper end
  }