[FL-1968] Pin code locking (#788)

* Gui: code input module
* Gui: fix size to fit frame
* Desktop: PIN config and lock option
* Gui: code input: cleanup, offset input fields if no header present
* Desktop: move code unlock to desktop_locked scene
* Desktop: fix unlock with back key
* Desktop: bump settings version
* Desktop: correct scene usage.

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

applications/desktop/views/desktop_main.c

@@ -67,6 +67,7 @@ bool desktop_main_input(InputEvent* event, void* context) {
     } else if(event->key == InputKeyLeft && event->type == InputTypeShort) {
         main_view->callback(DesktopMainEventOpenFavorite, main_view->context);
     }
+
     desktop_main_reset_hint(main_view);
 
     return true;