Merge Power service refactor, rework power settings

- Merge OFW power service refactor stuff
- Move charge cap variable to service
- Mirror settings usage of desktop and bt services for power settings
- Proper power settings struct, no more weird settings pubsub
- Load power settings on SD insert
- Set shutdown on idle time in main power settings menu, not in submenu
- Update battery icon visibility in power tick event
- Remove unused power functions (power_trigger_ui_update(), power_set_battery_icon_enabled())

applications/services/power/power_settings.h

@@ -1,18 +1,10 @@
-#include <toolbox/saved_struct.h>
-#include <storage/storage.h>
+#pragma once
 
-#define POWER_SETTINGS_VER (1)
+#include <stdint.h>
 
-#define POWER_SETTINGS_MAGIC (0x21)
+typedef struct {
+    uint32_t shutdown_idle_delay_ms;
+} PowerSettings;
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-bool SAVE_POWER_SETTINGS(uint32_t* x);
-
-bool LOAD_POWER_SETTINGS(uint32_t* x);
-
-#ifdef __cplusplus
-}
-#endif
+void power_settings_load(PowerSettings* settings);
+void power_settings_save(const PowerSettings* settings);