More granular decklist signals (#5981)

* Performance stuffs.

* Actually make widgets track their indices.

* Functional stuff.

* More display stuff.

* Determine where we will insert the card before actually inserting it in the model.

* Allow overlap layouts to insert widgets at specific positions.

* Modified signals.

* Raise trailing widgets on overlap layout widget insertion.

* Nix the logging config changes.

* Lint.

* Address comments.

* Address comments.

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

cockatrice/src/client/ui/layouts/overlap_layout.h

@@ -18,6 +18,7 @@ public:
                   Qt::Orientation overlapDirection = Qt::Vertical,
                   Qt::Orientation flowDirection = Qt::Horizontal);
     ~OverlapLayout();
+    void insertWidgetAtIndex(QWidget *toInsert, int index);
 
     void addItem(QLayoutItem *item) override;
     int count() const override;