When I try to zap from nostr:nprofile1qqsgfh34ufvy62c5f2hgy0y76zc08hk6p9jg2v9e85dz59rdrh4fseqpr9mhxue69uhhyetvv9ujuumwdae8gtnnda3kjctv9uqsuamnwvaz7tmwdaejumr0dshszythwden5te0dehhxarj9emkjmn99u3sqmhl on desktop Firefox with the Alby wallet, it's not possible to choose the ammount of sats to send. It always create an invoice request of 50 sats. Does anyone know if it's normal or am I doing anything wrong?