[Cashtab] Patch tx history rendering of NFT Collection genesis txs

Summary: NFT Collection genesis txs are being rendered incorrectly as 0-output fan-out txs. Patch and confirm with tests.

Test Plan:
npm test

Before this diff:

After this diff:

Reviewers: #bitcoin_abc, emack

Reviewed By: #bitcoin_abc, emack

Differential Revision: https://reviews.bitcoinabc.org/D16056