hid app merge fixes

+ changes by Willy-JL

applications/system/hid_app/scenes/hid_scene_main.c

@@ -0,0 +1,22 @@
+#include "../hid.h"
+#include "../views.h"
+
+void hid_scene_main_on_enter(void* context) {
+    Hid* app = context;
+
+    view_dispatcher_switch_to_view(app->view_dispatcher, app->view_id);
+}
+
+bool hid_scene_main_on_event(void* context, SceneManagerEvent event) {
+    Hid* app = context;
+    bool consumed = false;
+    UNUSED(app);
+    UNUSED(event);
+
+    return consumed;
+}
+
+void hid_scene_main_on_exit(void* context) {
+    Hid* app = context;
+    UNUSED(app);
+}