SPIGOT-7567: SpawnReason for SNOWMAN is reported as BUILD_IRONGOLEM

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/world/level/block/BlockPumpkinCarved.patch

@@ -20,7 +20,7 @@
          entity.moveTo((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.05D, (double) blockposition.getZ() + 0.5D, 0.0F, 0.0F);
 -        world.addFreshEntity(entity);
 +        // CraftBukkit start
-+        if (!world.addFreshEntity(entity, SpawnReason.BUILD_IRONGOLEM)) {
++        if (!world.addFreshEntity(entity, (entity.getType() == EntityTypes.SNOW_GOLEM) ? SpawnReason.BUILD_SNOWMAN : SpawnReason.BUILD_IRONGOLEM)) {
 +            return;
 +        }
 +        clearPatternBlocks(world, shapedetector_shapedetectorcollection); // CraftBukkit - from above