Update DTS for Grid and Content after exiting grid.

Changed property MyItemInfo to method GetMyItemInfo so that it is not saved to XML.
Use new vlnFlexGrid method GetMyItemInfo.

PROMS/Volian.Print.Library/Grid2Pdf.cs

@@ -181,7 +181,7 @@ namespace Volian.Print.Library
 						float w = MyTable.ColLeft[cr.c2 + 1] - MyTable.ColLeft[cr.c1];
 						float h = MyTable.RowTop[cr.r2 + 1] - MyTable.RowTop[cr.r1];
 						string str = MyFlexGrid.GetCellRTFString(r, c) ?? string.Empty;
-						DisplayText dt = new DisplayText(MyFlexGrid.MyItemInfo, str, false);
+						DisplayText dt = new DisplayText(MyFlexGrid.GetMyItemInfo(), str, false);
 						str = dt.StartText;
 						using (StepRTB myRTB = new StepRTB())
 						{