[FL-2568] Infrared C port (#1326)

* Add skeleton for infrared C port, rename old app
* Add scene stubs
* Add more views
* Misc changes
* Add remote and signal class stubs
* Complete infrared signal class
* Add remote button class stub
* Check if button contains a signal during destruction
* Complete infrared signal class more
* Implement remote storing
* Implement remote loading
* Fix error handling
* Implement remote transmitting
* Rename scene
* Canonise event consumption
* Implement remote learning (stub)
* Implement learn success screen (stub)
* Implement AskBack scene
* Improve remote saving&loading
* Fix remote file name
* Add LearnDone scene
* Switch from Remote scene correctly
* Add SceneButtonSelect
* Remove unneeded assert
* Add new SceneManager method
* Use new SceneManager method in Infrared
* Implement renaming of buttons and remotes
* Implement deleting of buttons and remotes
* Add universal remotes list
* Add brute force code
* Brute force code improvements
* Partially implement Universal Remote GUI
* Fix wrong singnal handling
* Fully implement Universal Remote
* Use standard custom events everywhere
* Return infrared CLI
* Remove old Infrared app
* Change container name
* Fix scene order
* Put ButtonPanel into stack only when needed
* Show loading animation during slow operations
* Do not hardcode Loading widget coordinates
* Switch Loading widget orientation as needed
* Save Start scene state
* Save Remote scene state
* Save Edit scene state
* Save EditButtonSelect scene state
* Do not use scene state
* Use string_t instead of const char* for brevity
* Fix memory leak
* Fix saving raw remotes
* Add Infrared debug menu
* Add debug view
* Move Infrared monitor into Infrared application
* Remove old Infrared monitor app
* Use common signal received callback everywhere

applications/gui/modules/loading.c

@@ -20,10 +20,10 @@ typedef struct {
 static void loading_draw_callback(Canvas* canvas, void* _model) {
     LoadingModel* model = (LoadingModel*)_model;
 
-    uint8_t x = 7;
-    uint8_t y = 40;
     uint8_t width = 49;
     uint8_t height = 47;
+    uint8_t x = (canvas_width(canvas) - width) / 2;
+    uint8_t y = (canvas_height(canvas) - height) / 2;
 
     elements_bold_rounded_frame(canvas, x, y, width, height);