more thread safe carpet globs

src/main/java/carpet/helpers/BlockRotator.java

@@ -53,9 +53,9 @@ public class BlockRotator
         {
             return false;
         }
-        CarpetSettings.impendingFillSkipUpdates = true;
+        CarpetSettings.impendingFillSkipUpdates.set(true);
         boolean retval = flip_block(state, world, player, hand, hit);
-        CarpetSettings.impendingFillSkipUpdates = false;
+        CarpetSettings.impendingFillSkipUpdates.set(false);
         return retval;
     }