[YouTube] Fix extraction of Shorts in channels and remove visitor data usage#1221

AudricV merged 3 commits intoTeamNewPipe:devTeamNewPipe/NewPipeExtractor:devfrom

AudricV:yt_support-new-shorts-ui-dataAudricV/NewPipeExtractor:yt_support-new-shorts-ui-dataCopy head branch name to clipboard