Ongoing issue with wallposts since release 'Erdbeere'
Summary
There's been an exception reported by sentry that's happened a lot since the last release: https://sentry.io/organizations/foodsharing-ev/issues/2272963939/?project=1400912
The issue seems to be some FoodSharePoint URL/page calling initWall with an 'undefined' ID.
It's been happening since 2 months on beta, but went unnoticed: https://sentry.io/organizations/foodsharing-ev/releases/9f7274814355c2976f7acd469f5d16d2b9758126/?project=1400917
I traced it back to this MR using the release commit: !1772 (merged)
Steps to reproduce
Most issues have table=fairteiler
in the query string, as far as i can see, but that might just be because Foodsharepoints are most frequently accessed out of all pages that have wall posts.
I also don't know the exact conditions needed for this bug to occur yet.
Relevant error messages and/or screenshots
https://sentry.io/organizations/foodsharing-ev/issues/2272963939/?project=1400912
Possible fixes
(If you can, link to the line of code that might be responsible for the problem)