[iOS][CPE] Skip uv after providing a recovery factor

After the user goes through reauthentication flow (i.e. provides
their LSKF / GPM PIN), there's no need to satisfy uv again with
a device reauth.

Fixed: 378850360
Change-Id: I2d30307edcca239530544809d03d81fed3a3872b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6025830
Commit-Queue: Noémie St-Onge <noemies@google.com>
Reviewed-by: Alexis Hétu <sugoi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1383769}