Dev mode internal improvements and fixes
[dev] Apply a patch with staged changes also in index.
[true git] Reset worktree/staging changes when detaching commit.
[tests] Build/Stapel/Git: active developer mode tests.
[status] Check worktree and staging changes separately with options.
[status] Remove unused code.
[dev] Support staged binary files.
Dockerfile builder improvements
[dockerfile] Add project repo commit label.