Add layer for marker [AUTOZIP] (#859)

Author: anastasiia-kornilova

plugins/robots/common/twoDModel/src/engine/model/worldModel.cpp

@@ -328,6 +328,7 @@ void WorldModel::appendRobotTrace(const QPen &pen, const QPointF &begin, const Q
 
 	QGraphicsLineItem * const traceItem = new QGraphicsLineItem(QLineF(begin, end));
 	traceItem->setPen(pen);
+	traceItem->setZValue(graphicsUtils::AbstractItem::ZValue::Marker);
 
 	if (mRobotTrace.isEmpty()) {
 		emit robotTraceAppearedOrDisappeared(true);

qrutils/graphicsUtils/abstractItem.h

@@ -47,6 +47,7 @@ class QRUTILS_EXPORT AbstractItem : public QGraphicsObject
 		, Region
 		, Picture
 		, Shape
+		, Marker
 		, Wall
 		, Moveable
 		, Robot