Show dashboard errors by default. (dotnet#4654)

Author: davidfowl

src/Aspire.Hosting/DistributedApplicationBuilder.cs

@@ -117,7 +117,7 @@ public DistributedApplicationBuilder(DistributedApplicationOptions options)
 
         _innerBuilder.Logging.AddFilter("Microsoft.Hosting.Lifetime", LogLevel.Warning);
         _innerBuilder.Logging.AddFilter("Microsoft.AspNetCore.Server.Kestrel", LogLevel.Error);
-        _innerBuilder.Logging.AddFilter("Aspire.Hosting.Dashboard", LogLevel.None);
+        _innerBuilder.Logging.AddFilter("Aspire.Hosting.Dashboard", LogLevel.Error);
 
         // This is so that we can see certificate errors in the resource server in the console logs.
         // See: https://github.com/dotnet/aspire/issues/2914