Fix Skipped handling

Author: halter73

src/ModelContextProtocol.AspNetCore/Authentication/McpAuthenticationHandler.cs

@@ -43,8 +43,7 @@ public async Task<bool> HandleRequestAsync()
             return false;
         }
 
-        await HandleResourceMetadataRequestAsync();
-        return true;
+        return await HandleResourceMetadataRequestAsync();
     }
 
     /// <summary>

tests/ModelContextProtocol.AspNetCore.Tests/AuthEventTests.cs

@@ -325,7 +325,7 @@ public async Task ResourceMetadataEndpoint_HandlesResponse_WhenHandleResponseCal
         // Since HandleResponse() was called, the handler should have taken responsibility
         // for generating the response, which in this case means an empty response
         Assert.Equal(HttpStatusCode.OK, response.StatusCode);
-        
+
         // The response should be empty since the event handler called HandleResponse()
         // but didn't write any content to the response
         var content = await response.Content.ReadAsStringAsync(TestContext.Current.CancellationToken);