- Close https://github.com/enso-org/cloud-v2/issues/896
- Add new settings page for viewing and editing keyboard shortcuts
- Refactor shortcut manager to resemble GUI2's shortcuts module
- Minor refactor moving `dashboard/layouts/dashboard` to `dashboard/layouts`; and moving all moals to `dashboard/modals`
# Important Notes
- The modal for capturing keyboard shortcuts has not been tested on macOS.
