[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/storage/storage-external-api.c

@@ -391,6 +391,10 @@ void storage_file_free(File* file) {
     free(file);
 }
 
+FuriPubSub* storage_get_pubsub(Storage* storage) {
+    return storage->pubsub;
+}
+
 bool storage_simply_remove_recursive(Storage* storage, const char* path) {
     furi_assert(storage);
     furi_assert(path);