[cashtab] Token view UI updates

Summary: Proposed UI updates to improve readability and information organization on the token details page

Test Plan:
npm run start and visit a token page /#/token/tokenid
review the new design and let me know any feedback

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Subscribers: bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D17588