fixed server only issues, properly separated client / server logic in common class.

src/main/java/carpet/mixins/Level_movableBEMixin.java

@@ -57,6 +57,7 @@ public abstract class Level_movableBEMixin implements LevelInterface, LevelAcces
     /**
      * @author 2No2Name
      */
+    @Override
     public boolean setBlockStateWithBlockEntity(BlockPos blockPos_1, BlockState blockState_1, BlockEntity newBlockEntity, int int_1)
     {
         if (isOutsideBuildHeight(blockPos_1) || !this.isClientSide && isDebug()) return false;