fix: Fixed whitespace character parsing

Author: amisadmin

fastapi_amis_admin/crud/utils.py

@@ -23,7 +23,7 @@
 def parser_str_set_list(item_id: Union[int, str]) -> List[str]:
     if isinstance(item_id, int):
         return [str(item_id)]
-    elif not isinstance(item_id, str):
+    elif not isinstance(item_id, str) or not item_id:
         return []
     return list(set(item_id.split(",")))