[alias-server] [p4] Timestamped logging

Summary:
T2922

Depends on D13010

Add a timestamps and better object formatting to logging.

Remove commented error promise used in test plan of last part in stack.

Test Plan: node index.js and confirm timestamps before log statements, better formatting for printed tx history

Reviewers: #bitcoin_abc, emack

Reviewed By: #bitcoin_abc, emack

Differential Revision: https://reviews.bitcoinabc.org/D13012