[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/power/power_service/power.c

@@ -7,6 +7,11 @@
 #include <gui/view.h>
 
 #define POWER_OFF_TIMEOUT 90
+#define POWER_BATTERY_WELL_LEVEL 99
+
+bool power_is_battery_well(PowerInfo* info) {
+    return info->health > POWER_BATTERY_WELL_LEVEL;
+}
 
 void power_draw_battery_callback(Canvas* canvas, void* context) {
     furi_assert(context);