Fix — HTML entity rendering across 60 views

Razor's @() expression auto-encodes &, turning — into — which
rendered as literal text in the browser. Wrapped all such expressions in
@Html.Raw() so the em-dash entity is passed through unescaped.

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

src/PowderCoating.Web/Views/Reports/PowderConsumption.cshtml

@@ -60,13 +60,13 @@
                                 }
                             </td>
                             <td>
-                                @(item.ColorName ?? "&mdash;")
+                                @Html.Raw(item.ColorName ?? "&mdash;")
                                 @if (!string.IsNullOrEmpty(item.ColorCode))
                                 {
                                     <span class="badge bg-secondary-subtle text-secondary ms-1">@item.ColorCode</span>
                                 }
                             </td>
-                            <td class="text-muted">@(item.Manufacturer ?? "&mdash;")</td>
+                            <td class="text-muted">@Html.Raw(item.Manufacturer ?? "&mdash;")</td>
                             <td class="text-end">@item.TotalPurchasedLbs.ToString("N1")</td>
                             <td class="text-end">@item.TotalConsumedLbs.ToString("N1")</td>
                             <td class="text-end fw-semibold @varianceClass">@item.VarianceLbs.ToString("N1")</td>