Restore Rx indication after deletion after Memory is FULL

by @wosk / PR #464

applications/main/subghz/scenes/subghz_scene_receiver.c

@@ -227,6 +227,7 @@ bool subghz_scene_receiver_on_event(void* context, SceneManagerEvent event) {
             consumed = true;
             break;
         case SubGhzCustomEventViewReceiverDeleteItem:
+            subghz->state_notifications = SubGhzNotificationStateRx;
             subghz->idx_menu_chosen = subghz_view_receiver_get_idx_menu(subghz->subghz_receiver);
 
             subghz_history_delete_item(subghz->history, subghz->idx_menu_chosen);