feat(git): consistent highlighting in branches/worktrees pickers #2592

Job	Run time
unit-tests (macos-latest, v0.12.1)	2m 42s
unit-tests (windows-latest, nightly)	3m 36s
unit-tests (ubuntu-latest, nightly)	1m 11s
unit-tests (ubuntu-latest, puc-lua)	1m 17s
unit-tests (ubuntu-latest, v0.12.1)	1m 22s
unit-tests (windows-latest, v0.12.1)	3m 31s
unit-tests (macos-latest, nightly)	2m 21s
	16m 0s

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