fix: 删除字典下的字典项方法缺失问题修复

src/main/java/com/youlai/system/service/impl/SysDictServiceImpl.java

@@ -187,7 +187,10 @@ public class SysDictServiceImpl extends ServiceImpl<SysDictMapper, SysDict> impl
             boolean result = this.removeById(id);
             if (result) {
                 // 删除字典下的字典项
-                dictItemService.removeByDictId(Convert.toLong(id));
+                dictItemService.remove(
+                        new LambdaQueryWrapper<SysDictItem>()
+                                .eq(SysDictItem::getDictId, id)
+                );
             }
         }
     }