[FL-1720] BLE GUI refactoring (#678)

* dialog_ex: add clean method, fix documentation
* application: add bt debug and settings application
* bt: add debug application
* bt: add settings application
* bt: rework bt service
* bt debug: fix carrier debug app
* assets: add debug animation to main menu
* bt debug: fix bt packet test
* bt service: rework bt service
* bt: cleanup
* Assets: fix spelling
* Ble: wait for core 2 startup complete before initializing radio stack.
* Accessor: remove dead code, switch port PA6 to PA4, because interrupt line 6 is used by down button.
* FuriHal: assert interrupt line on add_int_callback.
* Bt: update icon on core2 startup complete.

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

applications/bt/bt_settings_app/scenes/bt_settings_scene.c

@@ -0,0 +1,30 @@
+#include "bt_settings_scene.h"
+
+// Generate scene on_enter handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_enter,
+void (*const bt_settings_on_enter_handlers[])(void*) = {
+#include "bt_settings_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Generate scene on_event handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_event,
+bool (*const bt_settings_on_event_handlers[])(void* context, SceneManagerEvent event) = {
+#include "bt_settings_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Generate scene on_exit handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_exit,
+void (*const bt_settings_on_exit_handlers[])(void* context) = {
+#include "bt_settings_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Initialize scene handlers configuration structure
+const SceneManagerHandlers bt_settings_scene_handlers = {
+    .on_enter_handlers = bt_settings_on_enter_handlers,
+    .on_event_handlers = bt_settings_on_event_handlers,
+    .on_exit_handlers = bt_settings_on_exit_handlers,
+    .scene_num = BtSettingsAppSceneNum,
+};