[explorer] Add copy paste button for addresses on transaction page

Summary: It would be useful to copy paste addresses when viewing a transaction. Add button for this.

Test Plan: preview and test feature

Reviewers: #bitcoin_abc, emack, Fabien

Reviewed By: #bitcoin_abc, emack, Fabien

Subscribers: Fabien, emack

Differential Revision: https://reviews.bitcoinabc.org/D16606