fix grpc generation

Author: haphungw

internal/librarian/rust/codec.go

@@ -300,6 +300,9 @@ func buildModuleCodec(library *config.Library, module *config.RustModule) map[st
 	if module.IncludeGrpcOnlyMethods {
 		codec["include-grpc-only-methods"] = "true"
 	}
+	if library.Rust != nil && library.Rust.DetailedTracingAttributes {
+		codec["detailed-tracing-attributes"] = "true"
+	}
 	if module.ModulePath != "" {
 		codec["module-path"] = module.ModulePath
 	}

internal/sidekick/rust/templates/grpc-client/transport.rs.mustache

@@ -135,7 +135,7 @@ impl super::stub::{{Codec.Name}} for {{Codec.Name}} {
                 ))
             })();
             if let Some(rn) = resource_name {
-                use google_cloud_gax::options::internal::ResourceName;
+                use google_cloud_gax::options::internal::{RequestOptionsExt, ResourceName};
                 options.insert_extension(ResourceName(rn))
             } else {
                 options