- integrate the PUK unblock flow into the Onboarding and Login screen
- added a dedicated SB page for it
- remove the `Locked` keycard state everywhere in favor of `BlockedPIN`
and `BlockedPUK`
- fix the various "Locked" buttons, based on the context and the state
of the keycard
Fixes: #17092
- extend the tests to verify whether we collected the correct data
- restore the "pointing hand" cursor on clickable elements
- some minor improvements
