Account settings swiftui rewrite , also - fixes #745

[thevaidik]

as described in the original issue
" What happened?

Go to Settings
Go to your account
Deactivate the account toggle
Leave the menu
Nothing changed "
--> Monal should ask you if you want to confirm your changes - or just do it on change"
It will autosave when user will exit the screen

[tmolitor-stud-tu]

Thing is: this menu is also used for creating new accounts (the "add account (advanced)" button in the settings. Your PR breaks this functionality by not allowing users to cancel that process.

Really correct fix would be to allow some changes to be immediate without even closing the view (status message, shown username, new profile image), while having others (enable/disable account, change server etc.) need a verification.
That verification could be a simple alert asking the user if they want to save their changes and being displayed if a user tries to close the view without saving the changes first.

[tmolitor-stud-tu]

Let me reiterate:

Thing is: this menu is also used for creating new accounts (the "add account (advanced)" button in the settings. Your PR breaks this functionality by not allowing users to cancel that process.

Really correct fix would be to allow some changes to be immediate without even closing the view (status message, shown username, new profile image), while having others (enable/disable account, change server etc.) need a verification.
That verification could be a simple alert asking the user if they want to save their changes and being displayed if a user tries to close the view without saving the changes first.