Fix nostr URL scheme to open properly even if there's already a different view open (Terry Yiu)

Fix tests (William Casarin)

nwc: make delay 5 seconds instead of 3 (William Casarin)

pushed to refs/heads/master

http://git.jb55.com/damus/commit/50e445201616a256cf83fc503aa8c5dca021b63a.html