SPIGOT-5464: Add BEEHIVE SpawnReason for when a bee leaves a beehive

nms-patches/TileEntityBeehive.patch

@@ -0,0 +1,11 @@
+--- a/net/minecraft/server/TileEntityBeehive.java
++++ b/net/minecraft/server/TileEntityBeehive.java
+@@ -194,7 +194,7 @@
+                         BlockPosition blockposition2 = this.getPosition();
+ 
+                         this.world.playSound((EntityHuman) null, (double) blockposition2.getX(), (double) blockposition2.getY(), (double) blockposition2.getZ(), SoundEffects.BLOCK_BEEHIVE_EXIT, SoundCategory.BLOCKS, 1.0F, 1.0F);
+-                        return this.world.addEntity(entity);
++                        return this.world.addEntity(entity, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.BEEHIVE); // CraftBukkit
+                     }
+                 } else {
+                     return false;