root: base Websocket message storage on Base not fallback

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/root/messages/storage.py

@@ -1,13 +1,12 @@
 """Channels Messages storage"""
 from asgiref.sync import async_to_sync
 from channels.layers import get_channel_layer
-from django.contrib.messages.storage.base import Message
-from django.contrib.messages.storage.fallback import FallbackStorage
+from django.contrib.messages.storage.base import BaseStorage, Message
 from django.core.cache import cache
 from django.http.request import HttpRequest
 
 
-class ChannelsStorage(FallbackStorage):
+class ChannelsStorage(BaseStorage):
     """Send contrib.messages over websocket"""
 
     def __init__(self, request: HttpRequest) -> None:
@@ -15,6 +14,9 @@ class ChannelsStorage(FallbackStorage):
         super().__init__(request)
         self.channel = get_channel_layer()
 
+    def _get(self):
+        return [], True
+
     def _store(self, messages: list[Message], response, *args, **kwargs):
         prefix = f"user_{self.request.session.session_key}_messages_"
         keys = cache.keys(f"{prefix}*")