enhance(url-loader): start legacy subscriptions connection lazily

Author: ardatan

.changeset/stupid-cats-sing.md

@@ -0,0 +1,5 @@
+---
+'@graphql-tools/url-loader': patch
+---
+
+enhance(url-loader): start legacy subscriptions connection lazily

packages/loaders/url/src/index.ts

@@ -368,6 +368,7 @@ export class UrlLoader implements DocumentLoader<LoadFromUrlOptions> {
       url: WS_URL,
       webSocketImpl,
       connectionParams,
+      lazy: true,
     });
     return async ({ document, variables }: { document: DocumentNode; variables: any }) => {
       const query = print(document);
@@ -401,6 +402,7 @@ export class UrlLoader implements DocumentLoader<LoadFromUrlOptions> {
       WS_URL,
       {
         connectionParams,
+        lazy: true,
       },
       webSocketImpl
     );