fix: BlockLocation#clone() возвращал null в случае ошибки

core/src/main/java/mc/core/world/block/BlockLocation.java

@@ -26,7 +26,7 @@ public class BlockLocation implements Cloneable {
             return (BlockLocation) super.clone();
         } catch (CloneNotSupportedException e) {
             e.printStackTrace();
-            return null;
+            return ZERO();
         }
     }
 }