fix: 修复三方用户登录登录限制提示错误问题 (#10475)

Co-authored-by: feng <1304903146@qq.com>

apps/users/signal_handlers.py

@@ -32,13 +32,13 @@ def check_only_allow_exist_user_auth(created):
 
 
 def user_authenticated_handle(user, created, source, attrs=None, **kwargs):
-    if not check_only_allow_exist_user_auth(created):
-        return
-
     if created:
         user.source = source
         user.save()
 
+    if not check_only_allow_exist_user_auth(created):
+        return
+
     if not attrs:
         return