Added support for Point Beach’s format flag DiffContActBox for their asterisked boxes

Added new method to ‘GetNextItem’ for an iteminfo so that next item is found in memory, not get from database

PROMS/VEPROMS.CSLA.Library/Format/PlantFormat.cs

@@ -3193,6 +3193,14 @@ namespace VEPROMS.CSLA.Library
 				return LazyLoad(ref _ImmStepHdrCol, "@ImmStepHdrCol");
 			} 
 		}
+		private LazyLoad<bool> _DiffContActBox;
+		public bool DiffContActBox
+		{
+			get
+			{
+				return LazyLoad(ref _DiffContActBox, "@DiffContActBox");
+			}
+		}
 		private LazyLoad<int?> _SecColHdrforActPMode;
 		public int? SecColHdrforActPMode
 		{