- align the dialog to design
- fix radio button logic (it was possible to uncheck a mutually exclusive
checked button eventhough it's inside the button group, leaving the Unpin
button in an undefined state)
- port to StatusDialog and layouts, dropping a lot of needless code
- remove dead code for passing around the `property Component
pinnedMessagesListPopupComponent`; the popup is being invoked via
`Global.openPopup()`
Fixes#7316Fixes#7315
Fixes#6220
Fixes the issue with the mutual contact icon showing when just added.
It also does a huge cleanup of the codebase to remove isContact and replace it with either isAdded, when we care only about if we added, or isMutualContact if we want the contact to be mutual
Also fixes an issue with the MessageContextMenu not reflecting the added state correctly.
Lukáš Tinkl
Patryk Osmaczko
Alexandra Betouni
Boris Melnik
Michał Cieślak
Jonathan Rainville
MishkaRogachev
Sale Djenic
Iuri Matias