feat(ui): sync BatchDiffApproval styling with BatchFilePermission#4640

mrubens merged 1 commit intoRooCodeInc:mainRooCodeInc/Roo-Code:mainfrom

samhvw8:fix/sync-style-batch-diffsamhvw8/Roo-Cline:fix/sync-style-batch-diffCopy head branch name to clipboard