[Card DB Models] Move refactor (#6172)

* Refactor CardDatabaseDisplayModel, TokenDisplayModel and TokenEditModel out of CardDatabaseModel. Move every model into an appropriate folder.

Took 54 minutes

* No folder for database models.

Took 6 minutes

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/database/model/card/card_search_model.h

@@ -0,0 +1,30 @@
+#ifndef CARD_SEARCH_MODEL_H
+#define CARD_SEARCH_MODEL_H
+
+#include "../card_database_display_model.h"
+
+#include <QAbstractListModel>
+
+class CardSearchModel : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    explicit CardSearchModel(CardDatabaseDisplayModel *sourceModel, QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+    void updateSearchResults(const QString &query); // Update results based on input
+
+private:
+    struct SearchResult
+    {
+        CardInfoPtr card;
+        int distance;
+    };
+
+    CardDatabaseDisplayModel *sourceModel;
+    QList<SearchResult> searchResults;
+};
+
+#endif // CARD_SEARCH_MODEL_H