Improvements and fixes for Android app

[PatilShreyas]

Discussed in #330

^{Originally posted by kasem-sm November 17, 2021}
Fixes:

• Crash when user clicks log out button (simpleapp) ((simpleapp) App Crashes when user click's Log Out. #329 ).
• Fixed view state does not resets after Success or Error state (guided by @PatilShreyas).
• Replaced lifecycleScope.launch with viewLifecycleOwner.lifecycleScope here (probably added by mistake).
• Fix Save Note button hides behind the keyboard (composeapp) by adding windowSoftInputMode attribute in manifest.

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Improvements:

• Added confirmation dialog while logging out and deletion of a note. (simpleapp).
• Fix Save Note button hides behind the keyboard (composeapp).
• wrapped all action Icon composable inside of IconButton at NotyActions (for a better touch region).
• Changed scaffold background color at AboutScreen to match with the background color at NoteDetailScreen.
• Changed navigation (back) icon drawable at AboutScreen to match with the icon at NoteDetailScreen.
• Changed the text style and padding at NoteTextFields at composeapp to match the styles and padding of simpleapp.
• Refactored NotyDialogs's ConfirmationDialog to use Default AlertDialog composable instead of Default Dialog composable.