Added a flag for the box around continuous action substeps

Format adjustments for the continuous action substeps (boxes)

PROMS/fmtxml/FmtFileToXml.cs

@@ -845,6 +845,7 @@ public struct StepSectionPrint
 { 
     public float ImmStepHdrCol;
 	public string DiffContActBox;   // introduced to flag different processing for wep2 asterisk (continuous) boxes.
+	public string ContActBoxOnSubSteps; // added for Point Beach (wep2) to use tab & text position on boxed substeps (cont. Action steps)
     public Int16 SecColHdrforActPMode;
     public string RNOSepString;
 	public float RNOSepLineLength;