fix(AppConfig#setTypedValue): Catch AppConfigUnknownKeyException

[marcelklehr]

• Resolves: [Bug]: AppConfigUnknownKeyException unknown config key, Error while generating metadata for fileid #45633

Summary

Fixes the following error:

In AppConfig.php line 221:
                                                 
  [OCP\Exceptions\AppConfigUnknownKeyException]  
  unknown config key                             
                                                 
Exception trace:
  at /home/runner/work/context_chat/context_chat/lib/private/AppConfig.php:221
 OC\AppConfig->isLazy() at /home/runner/work/context_chat/context_chat/lib/private/AppConfig.php:879
 OC\AppConfig->setTypedValue() at /home/runner/work/context_chat/context_chat/lib/private/AppConfig.php:1429
 OC\AppConfig->setValue() at /home/runner/work/context_chat/context_chat/lib/private/AllConfig.php:185
 OC\AllConfig->setAppValue() at /home/runner/work/context_chat/context_chat/lib/private/BackgroundJob/JobList.php:354
 OC\BackgroundJob\JobList->setLastJob()

TODO

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)

[ArtificialOwl]

@marcelklehr should we backport this ?

[marcelklehr]

I'm not seeing it on stable31 and stable30 in our CI for some reason. When was the new AppConfig introduced?

[ArtificialOwl]

/backport to stable31

[ArtificialOwl]

/backport to stable30