Fix markMentionsRead() for albums and action messages#404

Azq2 wants to merge 3 commits intoAjaxy:masterAjaxy/telegram-tt:masterfrom

yet-another-org-with-forks:fix-markMentionsRead-for-albumsyet-another-org-with-forks/telegram-tt:fix-markMentionsRead-for-albumsCopy head branch name to clipboard