Fix NoExtraLayerCharge dropped in DeleteItem pricing recalculation

After deleting a job item, the remaining-items DTO projection was missing
NoExtraLayerCharge, causing PricingCalculationService to treat all coats as
extra-charge when recalculating the job total post-delete.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/PowderCoating.Web/Controllers/JobsController.cs

@@ -3128,7 +3128,8 @@ public class JobsController : Controller
                 InventoryItemId    = c.InventoryItemId,
                 CoverageSqFtPerLb  = c.CoverageSqFtPerLb,
                 TransferEfficiency = c.TransferEfficiency,
-                PowderCostPerLb    = c.PowderCostPerLb
+                PowderCostPerLb    = c.PowderCostPerLb,
+                NoExtraLayerCharge = c.NoExtraLayerCharge
             }).ToList()
         }).ToList();