Format header files

In my PR updating clang-format, I forgot to also format the headers.

src/displayapp/screens/Notifications.h

@@ -13,6 +13,7 @@ namespace Pinetime {
   namespace Controllers {
     class AlertNotificationService;
   }
+
   namespace Applications {
     namespace Screens {
 
@@ -45,9 +46,11 @@ namespace Pinetime {
                            Pinetime::Controllers::AlertNotificationService& alertNotificationService,
                            Pinetime::Controllers::MotorController& motorController);
           ~NotificationItem();
+
           bool IsRunning() const {
             return running;
           }
+
           void OnCallButtonEvent(lv_obj_t*, lv_event_t event);
 
         private: