[FL-1208] Fix crash in dolphin scene app caused by condition race in Tmr thread on delete (#438)

* Dolphin scene add moar enterprise sleeps

* Gihub: update PR template and cleanup codeowners

Co-authored-by: its your bedtime <23366927+itsyourbedtime@users.noreply.github.com>

applications/dolphin/scenes/scene.c

@@ -133,6 +133,10 @@ int32_t scene_app(void* p) {
     }
 
     osTimerStop(scene_app_gui->timer);
+
+    // CMSIS + FreeRTOS = Enterprise
+    osDelay(15);
+
     scene_free();
     api_hal_power_insomnia_exit();
     return 0;