fixes persistent note (#3324)

This fixes persistent note not sending on thread creation.

Co-authored-by: Taku <[email protected]>

core/thread.py

@@ -250,7 +250,7 @@ async def send_persistent_notes():
             ids = {}
 
             class State:
-                def store_user(self, user):
+                def store_user(self, user, cache):
                     return user
 
             for note in notes: