[e.cash] Swpazone widget edits

Summary:
Was requested to use the full widget with exchange options listed, so removing the data-compact prop
Also changing the from currency to ETH as requested, and moving it under the instant exchange title

Test Plan: Preview the site and check the widget looks and works as expected

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Subscribers: Fabien

Differential Revision: https://reviews.bitcoinabc.org/D14590