Add missing shortcuts in tooltips (#18282)

Fixes some missing shortcuts from Tooltips like the project search,
buffer search, quick action bar, ....


https://github.com/user-attachments/assets/d3a0160a-8d6e-4ddc-bf82-1fabeca42d59

This should hopefully help new users learn and discover some nice
keyboard shortcuts

Release Notes:

- Display keyboard shortcuts inside tooltips in the project search,
buffer search etc.