[Cashtab] [chronik tx history p1] Get the last 10 txs of all addresses in the wallet

Summary:
T2447

Use Promise.all() to get chronik tx history for all addresses in a wallet

Test Plan:
npm start

In the dev console, inspect the chronikTxHistory object. Note that it shows the last 10 txs (if extant) for each address in the Cashtab wallet.

Reviewers: #bitcoin_abc, emack

Reviewed By: #bitcoin_abc, emack

Differential Revision: https://reviews.bitcoinabc.org/D12048