[FL-1824] Dolphin refactoring (#701)

* refactoring p1
* refactoring p2
* cleanups
* locked screen refresh rate fix
* better locked view logic
* seperate dolphin service and desktop app
* Desktop: Favorite app acess (Left key), Settings app
* Desktop settings version, submenu header
* remove unused icon anomation + naming fix

Co-authored-by: あく <alleteam@gmail.com>

applications/desktop/desktop.h

@@ -0,0 +1,3 @@
+#pragma once
+
+typedef struct Desktop Desktop;