* Revert "feat(wallet-connect): retire v1 (#6820)"

This reverts commit d6759b86.

* gate v1/v2 switch with v2 fallback on wc entry

* fix tests

* add a second flag--isolate ... menu and default values from each other

* Update src/components/WalletModal/Option.tsx
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update src/featureFlags/flags/walletConnectPopover.ts
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* pr feedback

* pr feedback

* pr nit

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Co-authored-by: Jordan Frankfurt <jordan@CORN-Jordan-949.frankfurt>
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>