feat(tui): recapture lock pngs for boards 31-40

Regenerate 40x12 and 120x40 frames after the login contract and
thinking through clear-confirm painters. Splash, login, slash,
settings, and tiles recaptured in the same pass.

Co-authored-by: Mathis <echobt@users.noreply.github.com>

Author: cursoragent