[Blazor] Apply color-scheme to error UI (#57173)

Author: javiercn

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/BlazorWeb-CSharp/Components/Layout/MainLayout.razor.css

@@ -79,6 +79,7 @@ main {
 
 /*#endif*/
 #blazor-error-ui {
+    color-scheme: light only;
     background: lightyellow;
     bottom: 0;
     box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);

src/ProjectTemplates/Web.ProjectTemplates/content/ComponentsWebAssembly-CSharp/wwwroot/css/app.css

@@ -39,6 +39,7 @@ a, .btn-link {
 }
 
 #blazor-error-ui {
+    color-scheme: light only;
     background: lightyellow;
     bottom: 0;
     box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);