batches: fix workspace list display
Created by: BolajiOlajide
#38784 added a UI regression where the repository names in the workspace list wasn't getting the right color applied to it.
#38683 also contained a typo in the classname added to the workspaceDetails section.
Test plan
Checked both light mode and dark mode to be verify the correct class is added and the branch name is in monospace.
App preview:
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