[core] WEBJS - fix channel role

src/core/engines/webjs/session.webjs.core.ts

@@ -1240,9 +1240,11 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
   }
 
   protected ChannelMetadataToChannel(metadata: any): Channel {
-    let role = metadata.membershipType.toUpperCase();
+    let role = metadata.membershipType?.toUpperCase();
     if (role === 'VIEWER') {
       role = ChannelRole.GUEST;
+    } else if (!role) {
+      role = ChannelRole.GUEST;
     }
     return {
       id: metadata.id,