fix: update subscriberName property in CastService and make banner clickable in Header component

Author: mbellehumeur

extensions/cornerstone/src/services/CastService/CastService.ts

@@ -409,7 +409,7 @@ export default class CastService extends PubSubService {
         //   config.topic = 'PW44conf';
         //   this.setTopic('PW44conf');
         // }
-        this.hub.subscriberName = config.user_name;
+        this.hub.subscriberName = config.subscriber_name;
         if (config.topic) {
           console.debug('CastService:  Topic received: ', config.topic);
           this.setTopic(config.topic);

platform/ui-next/src/components/Header/Header.tsx

@@ -91,7 +91,14 @@ function Header({
             <div className="border-primary-dark mx-1.5 h-[25px] border-r"></div>
             {banner && (
               <>
-                <div className="text-primary px-2 text-sm">{banner}</div>
+                <a
+                  href="https://projectweek.na-mic.org/PW44_2026_GranCanaria/"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="text-primary px-2 text-sm hover:text-primary-light hover:underline cursor-pointer"
+                >
+                  {banner}
+                </a>
                 <div className="border-primary-dark mx-1.5 h-[25px] border-r"></div>
               </>
             )}