Stop tileset editor from scrolling to map's selection when saving

include/ui/tileseteditor.h

@@ -164,6 +164,7 @@ private:
     QGraphicsScene *selectedTileScene = nullptr;
     QGraphicsPixmapItem *selectedTilePixmapItem = nullptr;
     QGraphicsScene *metatileLayersScene = nullptr;
+    bool lockSelection = false;
 
 signals:
     void tilesetsSaved(QString, QString);