Improved colour calculation

prs.desktop/Panels/Reservation Management/ReservationManagementItemGrid.cs

@@ -91,11 +91,11 @@ public class ReservationManagementItemGrid : DynamicDataGrid<JobRequisitionItem>
             {
                 return Colors.Silver.ToBrush(0.5);
             }
-            else if(row.Get<JobRequisitionItem, double>(x => x.Allocated) >= qty)
+            else if(row.Get<JobRequisitionItem, double>(x => x.Allocated) + row.Get<JobRequisitionItem, double>(x => x.Issued) >= qty)
             {
                 return Colors.LightGreen.ToBrush(0.5);
             }
-            else if(row.Get<JobRequisitionItem, double>(x => x.InStock) >= qty)
+            else if(row.Get<JobRequisitionItem, double>(x => x.InStock) + row.Get<JobRequisitionItem, double>(x => x.Issued) >= qty)
             {
                 return Colors.Orange.ToBrush(0.5);
             }