Checking against Primal your incoming zap was just the once, so would seem to be a bug on nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955 side for notifying me twice. 

Just tried zapping one of your notes, now that I have the option to and a long press to activate the detail panel. 

I got this! https://image.nostr.build/f391caf9f894dffda7cb79bab37b8aded002a2813596a67225ec458ba70ee1af.jpg