Multiple accounts feature improvements

[Tunous]

Copied from #329 (review)

• It would be more intuitive if account rows were clickable. Clicking on them could switch accounts replacing swipe left to switch gesture.
• I think that it would be a good idea if the dialog automatically closed after user switched account.
• Some sort of indicator marking which account is currently selected
• Logout button is visible even when I'm logged out
• Also there doesn't seem to be anything indicating that we are logged out. But that probably would be solved if we had selected account indicator and hiding logout button, not sure.
• Cannot delete account #486