Clean up inter-library dependencies with interfaces (#6280)

* Have CardDatabase::getPreferredPrintingInfo respect card provider ID overrides (pinned printings)

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# Commit time for manual adjustment:
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* Move settings cache and settings card preference provider out of libcockatrice_settings and into cockatrice

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* Temp cache.

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* Dependency Injection for SettingsCache

* Turn SettingsCache into a QSharedPointer.
* Implement interfaces for settings that need it

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* Adjust oracle.

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* Move abstract/noop interfaces to libcockatrice_interfaces so they can be linked against independently.

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* Clean up some links.

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* Cleanup two includes.

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* More fixes.

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* More includes that slipped past.

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* Stop mocking and start injecting for tests.

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* I don't know why remote_client was including main.

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* Include.

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* Lint.

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* Don't use Qt pointers.

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* Make parser use CardSettingsInterface

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* Also adjust constructor lol.

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* Lint.

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* Revert "Lint."

This reverts commit ecb596c39e.


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* Test.

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

cockatrice/src/client/settings/shortcut_treeview.h

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+/**
+ * @file shortcut_treeview.h
+ * @ingroup CoreSettings
+ * @brief TODO: Document this.
+ */
+
+#ifndef SHORTCUT_TREEVIEW_H
+#define SHORTCUT_TREEVIEW_H
+
+#include <QModelIndex>
+#include <QSortFilterProxyModel>
+#include <QStandardItemModel>
+#include <QTreeView>
+
+/**
+ * Custom implementation of QSortFilterProxyModel that appends the source and parent strings together when filtering
+ */
+class ShortcutFilterProxyModel : public QSortFilterProxyModel
+{
+    Q_OBJECT
+public:
+    explicit ShortcutFilterProxyModel(QObject *parent = nullptr);
+
+protected:
+    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
+};
+
+class ShortcutTreeView : public QTreeView
+{
+    Q_OBJECT
+public:
+    explicit ShortcutTreeView(QWidget *parent);
+    void retranslateUi();
+
+signals:
+    void currentItemChanged(const QString &shortcut);
+
+public slots:
+    void updateSearchString(const QString &searchString);
+
+private:
+    QStandardItemModel *shortcutsModel;
+    ShortcutFilterProxyModel *proxyModel;
+    void populateShortcutsModel();
+
+private slots:
+    void refreshShortcuts();
+
+protected:
+    void currentChanged(const QModelIndex &current, const QModelIndex &previous) override;
+};
+
+#endif // SHORTCUT_TREEVIEW_H