Upgrade V1.2 Rebase + Bugfixes for Feature toggle

UPGRADE V1.2

Based on Upgrade-V1 I've rebased the branch to latest and fixed some bugs in feature toggle.

New Docker ARM64 Build released:

https://github.com/Chrisser73/shelf/pkgs/container/shelf
Command:
docker pull ghcr.io/chrisser73/shelf:01ba03a4d0bbe30f3c38eec1d822f40fc773dba4

Full Changelog: Upgrade-V1...Upgrade-v1.2