[DeckDockWidget] clean up grouping and format sync (#6467)

* [DeckDockWidget] clean up grouping and format sync

* refresh legalities in rebuildTree

* extract applyActiveGroupCriteria

* Fix build failure

libcockatrice_models/libcockatrice/models/deck_list/deck_list_model.cpp

@@ -599,6 +599,7 @@ void DeckListModel::setDeckList(const QSharedPointer<DeckList> &_deck)
         deckList = _deck;
     }
     rebuildTree();
+    refreshCardFormatLegalities();
     emit deckReplaced();
 }