[webpush] Add functions to verif and delete saved ntf token#1664

p1gp1g wants to merge 7 commits intosimplex-chat:dev-wpsimplex-chat/simplexmq:dev-wpfrom

p1gp1g:verif_saved_ntf_tokenp1gp1g/simplexmq:verif_saved_ntf_tokenCopy head branch name to clipboard