fix chat and remove guid extension

src/app/services/chat.service.ts

@@ -370,7 +370,7 @@ export class ChatService {
 
   async refreshtoken() {
 
- /*    if(this.headers && SessionStore.user.ChatData) {
+    if(this.headers && SessionStore.user.ChatData) {
       this.headers = this.headers.set('Authorization', 'Bearer ' + SessionStore.user.Authorization);
       let options = {
         headers: this.headers
@@ -423,7 +423,7 @@ export class ChatService {
     } else if (!this.headers) {
       this.setheader()
       this.refreshtoken()
-    } */
+    }
 
   }