[FIX] Null username being shown while sending messages without internet

[FIX] Avatar cache bug

[I18n] Fix typo in Russian language file

[FIX] Edit your profile and your password is reset

[FIX] Fix new direct chat message bug

[FIX] Clear notifications after opening the app

[FIX] Disable send button while sending message

* Password in this case has to be null

[I18N] Add translation for new italian strings

[I18N] Add Persian language

[IMPROVEMENT] Request confirmation before sending a photo from the camera

[IMPROVEMENT] Avoid closing the app from some screens.