* UI: #334 add config page language setting
* temporary remove logout button
* Unify fullscreen view class for dialog expanded and settings view
- Replace dialog-expanded and settings-view with single fullscreen-view class
- Update ResponsiveDialog to use fullscreen-view class
- Update CalendarLayout to use fullscreen-view class for settings view
- Consolidate CSS rules in Menubar.styl to use fullscreen-view
- Update test cases to use new class name
---------
Co-authored-by: Lê Nhân Phụng <lenhanphung@Phung-Mac-M4.local>
Camille Moussu