- Implement APIs in ResolvedKeybinding to expose parts
- Implement APIs in ResolvedKeybinding to get labels without modifiers
- Adopt tests to above API changes
- Use above APIs to search and highlight keybindings
- A new keybinding label widget to render a keybinding
- Adopt above widget in Keyboard shortcuts editor and define keybinding widget

Revert "actionBar: always dispose action items for now. Debug always recreate focusProcessActionItem"

This reverts commit 742c2998.

#23822

Part of #22900

Wait 250ms before firing the exit event to ensure no data events happen.

Fixes #23051

Fixes #23358

This only applies to when the suggestion button is pressed. Note the old
shell remains open in the background to be safe.

Part opf #23358

Fixes #23304

Fixes #9743