[Game/Zones] Simple move refactor to differentiate between logic and graphics for zones (#6903)

* [Game/Zones] Simple move refactor to differentiate between logic and graphics for zones

Took 21 minutes

* Clean up game/zones/logic folder.

Took 6 minutes

* Adjust tests.

Took 3 minutes

---------

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

cockatrice/src/game_graphics/zones/card_zone.h

@@ -0,0 +1,77 @@
+/**
+ * @file card_zone.h
+ * @ingroup GameGraphicsZones
+ * @brief Base graphics item for zones that contain cards.
+ */
+
+#ifndef CARDZONE_H
+#define CARDZONE_H
+
+#include "../../game/zones/card_zone_logic.h"
+#include "../board/abstract_graphics_item.h"
+#include "../board/graphics_item_type.h"
+
+#include <QLoggingCategory>
+#include <QString>
+
+inline Q_LOGGING_CATEGORY(CardZoneLog, "card_zone");
+
+/**
+ * A zone in the game that can contain cards.
+ * This class contains methods to get and modify the cards that are contained inside this zone.
+ *
+ * The cards are stored as a list of `CardItem*`.
+ */
+class CardZone : public AbstractGraphicsItem
+{
+    Q_OBJECT
+protected:
+    QMenu *menu;
+    QAction *doubleClickAction;
+
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
+    virtual void reorganizeCards() = 0;
+    virtual QPointF closestGridPoint(const QPointF &point);
+
+    QMenu *getMenu() const
+    {
+        return menu;
+    }
+public slots:
+    bool showContextMenu(const QPoint &screenPos);
+    /// @brief Called when a card is added to this zone. Default: reparents card to this item.
+    /// Virtual so subclasses (e.g. SelectZone) can override parenting behavior — the Qt signal
+    /// connection in CardZone's constructor dispatches through the vtable.
+    virtual void onCardAdded(CardItem *addedCard);
+
+public:
+    enum
+    {
+        Type = typeZone
+    };
+    int type() const override
+    {
+        return Type;
+    }
+    virtual void
+    handleDropEvent(const QList<CardDragItem *> &dragItem, CardZoneLogic *startZone, const QPoint &dropPoint) = 0;
+    CardZone(CardZoneLogic *logic, QGraphicsItem *parent = nullptr);
+    void retranslateUi();
+
+    CardZoneLogic *getLogic() const
+    {
+        return logic;
+    }
+
+    void setMenu(QMenu *_menu, QAction *_doubleClickAction = 0)
+    {
+        menu = _menu;
+        doubleClickAction = _doubleClickAction;
+    }
+
+private:
+    CardZoneLogic *logic;
+};
+
+#endif