Fix auth-callback-silent routing error in prod-mode UIs

Disable clean URLs in npx serve to prevent 301 redirects from
stripping the .html extension on auth-callback-silent.html, which
caused Angular to intercept the request and fail with NG04002.

Author: sei-awelle

Crucible.AppHost/AppHost.cs

@@ -117,7 +117,7 @@ private static IResourceBuilder<ExecutableResource> AddAngularUI(
         else
         {
             var buildCommand = string.IsNullOrEmpty(buildArgs) ? "npm run build" : $"npm run build {buildArgs}";
-            var serveProd = $"if [ ! -d {distPath} ] || [ -z \"$(ls -A {distPath} 2>/dev/null)\" ] || [ -n \"$(find src -newer {distPath} -print -quit)\" ]; then npm install && {buildCommand}; fi; npx serve -s {distPath} -l {port}";
+            var serveProd = $"if [ ! -d {distPath} ] || [ -z \"$(ls -A {distPath} 2>/dev/null)\" ] || [ -n \"$(find src -newer {distPath} -print -quit)\" ]; then npm install && {buildCommand}; fi; echo '{{\"cleanUrls\":false,\"rewrites\":[{{\"source\":\"**\",\"destination\":\"/index.html\"}}]}}' > serve.json && npx serve -c serve.json {distPath} -l {port}";
             ui = builder.AddExecutable(name, "bash", appRoot, "-c", serveProd)
                 .WithHttpEndpoint(port: port, isProxied: false);
         }