[FL-2315] USB Mode switch lock (#1036)

* usb mode switch lock
* lock_mutex removed
* Wait for session termination in rpc_cli, lock badusb and u2f if rpc session is opened

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

applications/u2f/scenes/u2f_scene_error.c

@@ -12,16 +12,26 @@ static void u2f_scene_error_event_callback(GuiButtonType result, InputType type,
 void u2f_scene_error_on_enter(void* context) {
     U2fApp* app = context;
 
-    widget_add_icon_element(app->widget, 0, 0, &I_SDQuestion_35x43);
-
-    widget_add_string_multiline_element(
-        app->widget,
-        81,
-        4,
-        AlignCenter,
-        AlignTop,
-        FontSecondary,
-        "No SD card or\napp data found.\nThis app will not\nwork without\nrequired files.");
+    if(app->error == U2fAppErrorNoFiles) {
+        widget_add_icon_element(app->widget, 0, 0, &I_SDQuestion_35x43);
+        widget_add_string_multiline_element(
+            app->widget,
+            81,
+            4,
+            AlignCenter,
+            AlignTop,
+            FontSecondary,
+            "No SD card or\napp data found.\nThis app will not\nwork without\nrequired files.");
+    } else if(app->error == U2fAppErrorCloseRpc) {
+        widget_add_string_multiline_element(
+            app->widget,
+            63,
+            10,
+            AlignCenter,
+            AlignTop,
+            FontSecondary,
+            "Disconnect from\ncompanion app\nto use this function");
+    }
 
     widget_add_button_element(
         app->widget, GuiButtonTypeLeft, "Back", u2f_scene_error_event_callback, app);