Warn user about clock drift when using Wallet Connect

[kenkunz]

Goal

As an investor connecting my wallet via Wallet Connect, I want to be that my clock is out of sync when trying to connect a wallet using Wallet Connect, so that I know how to correct the issue to successfully connect my wallet.

Details

See #698

Acceptance criteria

1. Given: a user who's system clock is > 2 min ahead of the correct time
   • when: they attempt to connect their wallet using Wallet Connect
   • then: the user should be shown a conspicuous notification regarding their out-of-sync clock, warning them that this will likely cause their connection to fail.