Fix room permission check

The `admin=False` here was checking for someone with moderator but not
admin, which was wrong (and would not return rooms for admins): what we
wanted instead if we don't need admin permission is `moderator=True,
admin=None`.

Author: jagerman

sogs/routes/users.py

@@ -55,7 +55,7 @@ def extract_rooms_or_global(req, admin=True):
 
         try:
             rooms = mroom.get_rooms_with_permission(
-                g.user, tokens=room_tokens, moderator=True, admin=admin
+                g.user, tokens=room_tokens, moderator=True, admin=True if admin else None
             )
         except Exception as e:
             # This is almost certainly a bad room token passed in: