[Cashtab] Render a token info page for any tokenId, regardless of user balance
Summary: We want users to be able to share tokens by sharing a landing page. Going forward, will add orderbook for this token (if present).
Test Plan: npm test
Reviewers: #bitcoin_abc, emack
Reviewed By: #bitcoin_abc, emack
Subscribers: emack
Differential Revision: https://reviews.bitcoinabc.org/D17045