[ damus-io/damus ] Show client tags on events

Display "via ClientName" indicator beside timestamps when an event has
a client tag, allowing users to see which nostr app published it.

Changelog-Added: Show client name on events when available
Closes: https://github.com/damus-io/damus/issues/3323
Signed-off-by: alltheseas <alltheseas@users.noreply.github.com>
https://github.com/damus-io/damus/commit/af3bb212c3ad0735b2439616b7e743f0360918da