fix: Fix user cannot export public function lib

--bug=1052408 --user=刘瑞斌 【函数库】导出非当前用户创建的函数，报错 https://www.tapd.cn/57709429/s/1658696

Author: liuruibin

apps/function_lib/serializers/function_lib_serializer.py

@@ -211,7 +211,7 @@ class Operate(serializers.Serializer):
 
         def is_valid(self, *, raise_exception=False):
             super().is_valid(raise_exception=True)
-            if not QuerySet(FunctionLib).filter(id=self.data.get('id'), user_id=self.data.get('user_id')).exists():
+            if not QuerySet(FunctionLib).filter(id=self.data.get('id')).exists():
                 raise AppApiException(500, _('Function does not exist'))
 
         def delete(self, with_valid=True):