Desktop: Add support for UI scaling (#3310)

* desktop support ui scaling

* fix some warnings

* use browser zoom if needed

* fix infinite footprint size

* fix web canvas scale

* always set zoom

* use only zoom for scaling

* prevent user zoom

* remove mouse position scaling

desktop/src/cef/context.rs

@@ -10,7 +10,7 @@ pub(crate) trait CefContext {
 
 	fn handle_window_event(&mut self, event: &winit::event::WindowEvent);
 
-	fn notify_of_resize(&self);
+	fn notify_view_info_changed(&self);
 
 	fn send_web_message(&self, message: Vec<u8>);
 }