Add shortcuts into tooltips

Problem to solve

Shortcuts are hard to discover. Coupling a shortcut with its navigation element helps reduce cognitive load.

Proposal

Add or adjust tooltips to include their corresponding shortcuts.

Project_shortcuts

Feedback

For example how I can go to pipelines, MRs, branches, etc? Tooltips with keyboard shortcuts is must. - #409005 (comment 1514928558)

Edited by Austin Regnery