[e.cash] Play Pin-animation only once

Summary: Apply noLoop on pin-animation on /roadmap and /upgrade page.

Test Plan: check out e.cash/roadmap and e.cash/upgrade and verify that animation plays only once.

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Subscribers: bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D16587