fix(welcomewindow): trigger the welcome window if no auth url defined (…

…#613)

Co-authored-by: Pierre-Étienne Lord <[email protected]>

src/app/pages/portal/portal.component.ts

@@ -1249,7 +1249,7 @@ export class PortalComponent implements OnInit, OnDestroy {
   }
 
   private initWelcomeWindow(): void {
-    if (this.auth) {
+    if (this.auth?.url) {
       this.authService.logged$.subscribe((logged) => {
         if (logged) {
           this.createWelcomeWindow();