Attempt to fix store bell notifications
What does this MR do?
How confident are you it won't break things if deployed?
Was working during my tests but should easly be tested by beta users.
Links to related issues
- added a test, or explain why one is not needed/possible...
- no unrelated changes
- asked someone for a code review
- joined #foodsharing-beta channel at https://slackin.yunity.org
- added an entry to CHANGELOG.md (description, merge request link, username(s))