[FL-1995] New dolphin animations (part 1) (#835)

* Desktop Animation (part 1): Ugly naked ohmygod architecture
* fix butthurt, fix locked scene
* Change SD icons, fixes
* Fix level update animation
* Fixes, correct butthurt
* Clean up code
* furi_assert(0) -> furi_crash("msg")
* Gui: rename none layer to desktop, update docs.

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

applications/gui/icon_animation.c

@@ -62,6 +62,7 @@ void icon_animation_start(IconAnimation* instance) {
     furi_assert(instance);
     if(!instance->animating) {
         instance->animating = true;
+        furi_assert(instance->icon->frame_rate);
         furi_check(
             xTimerChangePeriod(
                 instance->timer, (osKernelGetTickFreq() / instance->icon->frame_rate), 0) ==