[FL-1489] IRDA: move to FileWorker (#594)

* [FL-1489] IRDA: move to FileWorker, fixes

* Use FileWorker
* Use file_select to select remotes
* Fix some crashes
* Add RAW parsing restrictions
* Remove excess scene (LearnDoneAfter)
* Move all file system logic to standalone object

applications/irda/irda-app-view-manager.hpp

@@ -28,6 +28,7 @@ public:
 
     void receive_event(IrdaAppEvent* event);
     void send_event(IrdaAppEvent* event);
+    void clear_events();
 
     DialogEx* get_dialog_ex();
     Submenu* get_submenu();