Fixed scrolling to selected element in selection dialogs

src/selection_dialog.cpp

@@ -182,11 +182,13 @@ void SelectionDialogBase::show() {
       cursor_changed();
     }
     else if(list_view_text.get_model()->children().begin() != list_view_text.get_selection()->get_selected()) {
-      Glib::signal_idle().connect([this] {
+      Glib::signal_timeout().connect(
+          [this] {
             if((this == SelectionDialog::get().get() || this == CompletionDialog::get().get()) && is_visible())
               list_view_text.scroll_to_row(list_view_text.get_model()->get_path(list_view_text.get_selection()->get_selected()), 0.5);
             return false;
-      });
+          },
+          0);
     }
   }
   if(on_show)