[e.cash] Get ecash page - reverse staking section image and text

Summary:
Flipping the image text order on the staking section on /get-ecash to look better. Also changed the styled
component name to be more applicable

Test Plan: preview the site and check /get-ecash page bottom section

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Subscribers: Mengerian, bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D15911