Call EntityDropItemEvent for goats dropping horns (#8094)

patches/server/Add-various-missing-EntityDropItemEvent-calls.patch

@@ -57,3 +57,17 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      }
  
      @Override
+diff --git a/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java b/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java
++++ b/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java
+@@ -0,0 +0,0 @@ public class Goat extends Animal {
+             double d2 = (double) Mth.randomBetween(this.random, -0.2F, 0.2F);
+             ItemEntity entityitem = new ItemEntity(this.level, vec3d.x(), vec3d.y(), vec3d.z(), itemstack, d0, d1, d2);
+ 
+-            this.level.addFreshEntity(entityitem);
+-            return true;
++            return this.spawnAtLocation(entityitem) != null; // Paper - call EntityDropItemEvent by calling spawnAtLocation.
+         }
+     }
+