Merge pull request #4488 from ostcar/fix_config_key_to_id

Fix a race condition when creating config.key_to_id

openslides/core/config.py

@@ -68,9 +68,9 @@ class ConfigHandler:
         This uses the element_cache. It expects, that the config values are in the database
         before this is called.
         """
-        self.key_to_id = {}
         all_data = await element_cache.get_all_full_data()
         elements = all_data[self.get_collection_string()]
+        self.key_to_id = {}
         for element in elements:
             self.key_to_id[element["key"]] = element["id"]