Set DisplayName using endpoint name

Author: captainsafia

src/Http/Routing/src/Builder/MinimalActionEndpointRouteBuilderExtensions.cs

@@ -195,11 +195,13 @@ public static MinimalActionEndpointConventionBuilder Map(
                 {
                     builder.Metadata.Add(new EndpointNameMetadata(endpointName));
                     builder.Metadata.Add(new RouteNameMetadata(endpointName));
+                    builder.DisplayName = $"{pattern} => {endpointName}";
                 }
                 else
                 {
                     builder.Metadata.Add(new EndpointNameMetadata(action.Method.Name));
                     builder.Metadata.Add(new RouteNameMetadata(action.Method.Name));
+                    builder.DisplayName = $"{pattern} => {endpointName}";
                 }
             }