tests fixes and some product advisories tunes ups

src/Scanner/__Tests/StellaOps.Scanner.WebService.Tests/ScannerApplicationFixture.cs

@@ -10,6 +10,11 @@ public sealed class ScannerApplicationFixture : IAsyncLifetime
 
     public ScannerApplicationFactory Factory { get; } = new();
 
+    /// <summary>
+    /// Creates an HTTP client without authentication.
+    /// </summary>
+    public HttpClient CreateClient() => Factory.CreateClient();
+
     /// <summary>
     /// Creates an HTTP client with test authentication enabled.
     /// </summary>