feat(userbot,api,frontend): backfill stories and unbreak all-stories list

backend/src/userbot/modules/jobs/handlers/__init__.py

@@ -1,5 +1,6 @@
 from userbot.modules.jobs.handlers import (
     backfill,
+    backfill_stories,
     enrich_chat,
     fetch_avatar,
     fetch_custom_emoji,
@@ -12,6 +13,7 @@ from userbot.modules.jobs.handlers import (
 
 __all__ = [
     "backfill",
+    "backfill_stories",
     "enrich_chat",
     "fetch_avatar",
     "fetch_custom_emoji",