* feat(app): add ⌘P shortcut to switch project on New Workspace screen
Opens the existing project picker with its search focused so the project
can be switched from the keyboard (type + Enter) instead of clicking the
badge and then the project.
Wires a new "workspace.project.pick" action through the standard keyboard
pipeline (binding -> route passthrough -> dispatcher), handled by a
screen-scoped handler on the New Workspace screen that is only registered
while the screen is mounted and there are projects to pick. Because
preventDefault only fires when a handler handles the key, ⌘P/Ctrl+P still
triggers native print everywhere else. Adds a Settings -> Shortcuts help
row (rebindable) and the "Switch project" label across all locales.
* test(app): cover project picker shortcut
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Co-authored-by: Mohamed Boudra <boudra.moha@gmail.com>
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