use copy of a point (might introduce problems in the future)

converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/reaction/ReactionFromXml.java

@@ -678,8 +678,8 @@ public class ReactionFromXml {
     result.addNode(operator);
 
     PolylineData centerLine = new PolylineData();
-    centerLine.addPoint(reactant.getLine().getEndPoint());
-    centerLine.addPoint(operator.getLine().getEndPoint());
+    centerLine.addPoint(pointTransformation.copyPoint(reactant.getLine().getEndPoint()));
+    centerLine.addPoint(pointTransformation.copyPoint(operator.getLine().getEndPoint()));
 
     result.setLine(centerLine);
   }
@@ -1185,8 +1185,8 @@ public class ReactionFromXml {
     product.setLine(productLine);
 
     PolylineData reactionLine = new PolylineData();
-    reactionLine.addPoint(reactantLine.getEndPoint());
-    reactionLine.addPoint(productLine.getBeginPoint());
+    reactionLine.addPoint(pointTransformation.copyPoint(reactantLine.getEndPoint()));
+    reactionLine.addPoint(pointTransformation.copyPoint(productLine.getBeginPoint()));
     reaction.setLine(reactionLine);
 
     ReactionLineData rld = ReactionLineData.getByReactionType(reaction.getClass());