misc: do not save autocomplete url when there's no session (#52060)

wcs/sessions.py

@@ -156,7 +156,10 @@ class BasicSession(Session):
                 return key
         key = str(uuid.uuid4())
         self.data_source_query_url_tokens[key] = info
-        self.store()
+        if self.id:
+            # do not save if the session has not been created yet, this happens
+            # for API calls to create card/form data.
+            self.store()
         return key
 
     def get_data_source_query_info_from_token(self, token):