Show copy source branch shortcut in tooltip
What does this MR do and why?
Show copy source branch name keyboard shortcut b in tooltip, in the merge request header.
Also change clipboard_button helper to support aria-label and aria-keyshortcuts (unsupported in Firefox) to allow for proper announcement of keyboard shortcuts to screen readers.
Changelog: changed
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
Screenshots are required for UI changes, and strongly recommended for all other merge requests.
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How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
- Open a merge request
- Hover or focus the “Copy source branch name” button in the merge request header
Edited by Pedro Moreira da Silva