Attempt Uphold wallet relinking more often

[zenparsing]

Currently, Rewards will attempt to link the user's Uphold wallet to their payment ID only once for the user's profile. Instead, we should attempt to re-link the user's Uphold wallet when they successfully complete the Uphold login process.

[LaurenWags]

labelling as QA/Blocked until this is uplifted to 1.22.x and a new build is created