Discover Snaps CTA should go directly to snaps.metamask.io

The following CTA should go directly to snaps.metamask.io, bypassing metamask.io/snaps

<img width="672" src="https://api.zenhub.com/attachedFiles/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBOU5HQXc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--1e30d36e8600b108a2caf973e18233c71d26a195/discover-snaps.png" alt="discover-snaps.png" />
