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

core/src/main/java/mc/core/EntityLocation.java

@@ -3,6 +3,7 @@ package mc.core;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import org.springframework.lang.Nullable;
 
 @NoArgsConstructor
 @AllArgsConstructor
@@ -49,7 +50,7 @@ public class EntityLocation implements Cloneable {
             return (EntityLocation) super.clone();
         } catch (CloneNotSupportedException e) {
             e.printStackTrace();
-            return null;
+            return ZERO();
         }
     }
 }