[FL-2753] RFID app port to plain C (#1710)

* LF RFID: port to plain C
* LFRFID debug port to C, new reading screen
* LFRFID debug: fix pvs-studio warnings
* RFID read view: remove unused input callback
* RFID read view: animation update

applications/lfrfid/scenes/lfrfid_scene_select_key.c

@@ -0,0 +1,22 @@
+#include "../lfrfid_i.h"
+
+void lfrfid_scene_select_key_on_enter(void* context) {
+    LfRfid* app = context;
+
+    if(lfrfid_load_key_from_file_select(app)) {
+        scene_manager_next_scene(app->scene_manager, LfRfidSceneSavedKeyMenu);
+    } else {
+        scene_manager_previous_scene(app->scene_manager);
+    }
+}
+
+bool lfrfid_scene_select_key_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    UNUSED(event);
+    bool consumed = false;
+    return consumed;
+}
+
+void lfrfid_scene_select_key_on_exit(void* context) {
+    UNUSED(context);
+}