[Cashtab] Show NFT offer on token page

Summary:
Show individual NFT offer on the token page.

This would allow users to share links to NFT offers.

Also show the listing on the page immediately when the user creates a listing, instead of auto-routing to the slow-to-load NFT page.

Test Plan: npm test

Reviewers: #bitcoin_abc, emack

Reviewed By: #bitcoin_abc, emack

Subscribers: emack

Differential Revision: https://reviews.bitcoinabc.org/D17146