debug apps: made runnable as .faps; sdk: resolved additional APIs in use by faps (#2333)

* sdk: resolve additional APIs in use by faps
* debug tools: fixed battery_test, bt_debug, display_test, rpc_debug

Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/debug/bt_debug_app/bt_debug_app.c

@@ -31,9 +31,6 @@ uint32_t bt_debug_start_view(void* context) {
 BtDebugApp* bt_debug_app_alloc() {
     BtDebugApp* app = malloc(sizeof(BtDebugApp));
 
-    // Load settings
-    bt_settings_load(&app->settings);
-
     // Gui
     app->gui = furi_record_open(RECORD_GUI);
 
@@ -105,13 +102,15 @@ int32_t bt_debug_app(void* p) {
     }
 
     BtDebugApp* app = bt_debug_app_alloc();
+    // Was bt active?
+    const bool was_active = furi_hal_bt_is_active();
     // Stop advertising
     furi_hal_bt_stop_advertising();
 
     view_dispatcher_run(app->view_dispatcher);
 
     // Restart advertising
-    if(app->settings.enabled) {
+    if(was_active) {
         furi_hal_bt_start_advertising();
     }
     bt_debug_app_free(app);

applications/debug/bt_debug_app/bt_debug_app.h

@@ -4,15 +4,14 @@
 #include <gui/gui.h>
 #include <gui/view.h>
 #include <gui/view_dispatcher.h>
+#include <gui/modules/submenu.h>
+
 #include <dialogs/dialogs.h>
 
-#include <gui/modules/submenu.h>
 #include "views/bt_carrier_test.h"
 #include "views/bt_packet_test.h"
-#include <bt/bt_settings.h>
 
 typedef struct {
-    BtSettings settings;
     Gui* gui;
     ViewDispatcher* view_dispatcher;
     Submenu* submenu;