Revert "fix: 6.2 deprecation warning regard the QScopedPointer::swap function (#3655)"

This reverts commit ca258109c5, reversing
changes made to 693d9d02bc.
Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/ui/pages/modplatform/modrinth/ModrinthPage.h

@@ -103,6 +103,6 @@ class ModrinthPage : public QWidget, public ModpackProviderBasePage {
     // Used to do instant searching with a delay to cache quick changes
     QTimer m_search_timer;
 
-    ModFilterWidget* m_filterWidget;
+    unique_qobject_ptr<ModFilterWidget> m_filterWidget;
     Task::Ptr m_categoriesTask;
 };