go to end iter after each print_special_text if we don't have an argument with the iter where we have to insert text. See #7372

[Darlan & I]Improved BiDi support for banner text, popup with presence info and more status messages (kick, ban, change nick) fixes #7284 #7192

clear vcard values before filling them in case we receive vcard a second time when window is opened. Fixes #7366

make the Ok button of Insecure connection dialog insensitive when yes checkbox is not checked. Fixes #7373