Add credentials: include and Cookie header to prevent 401 error (#8600)

* Add credentials: include and Cookie header to prevent 401 error

* FIx formatting

* add changeset

---------

Co-authored-by: gradio-pr-bot <[email protected]>

Author: yinkiu602

.changeset/flat-results-divide.md

@@ -0,0 +1,6 @@
+---
+"@gradio/client": minor
+"gradio": minor
+---
+
+feat:Add credentials: include and Cookie header to prevent 401 error

client/js/src/client.ts

@@ -67,9 +67,16 @@ export class Client {
 	}
 
 	stream(url: URL): EventSource {
+		const headers = new Headers();
+		if (this && this.cookies) {
+			headers.append("Cookie", this.cookies);
+		}
+
 		this.abort_controller = new AbortController();
 
 		this.stream_instance = readable_stream(url.toString(), {
+			credentials: "include",
+			headers: headers,
 			signal: this.abort_controller.signal
 		});