fix: Fix multiple bugs with new authentication flow

e2e/tests/voice/mixed-signal-config-voice.spec.ts

@@ -150,6 +150,8 @@ test.describe('Mixed signal-config voice', () => {
         }
       });
 
+      let secondaryRoomId = '';
+
       // ── Create rooms ────────────────────────────────────────────
       await test.step('Create voice room on primary and chat room on secondary', async () => {
         // Use a "both" user (client 0) to create both rooms
@@ -198,7 +200,6 @@ test.describe('Mixed signal-config voice', () => {
       // Group D (secondary-only) needs invite to primary room.
       let primaryRoomInviteUrl: string;
       let secondaryRoomInviteUrl: string;
-      let secondaryRoomId = '';
 
       await test.step('Create invite links for cross-signal rooms', async () => {
         // Navigate to voice room to get its ID