Fixed deleting latest user and melody instead of chosen

source/ubl-settings-bootloader.cc

@@ -1140,6 +1140,7 @@ void MainWindow::remove_user() {
 }
 
 void MainWindow::remove_melody() {
+    iter_user_del = this->treeViewUser->get_selection()->get_selected();
     iter_melody_del = this->treeViewMelody->get_selection()->get_selected();
     if (flag_validate_del_melody && list_store_melody->iter_is_valid(iter_melody_del)) {
         list_store_melody->erase(iter_melody_del);