fix: cpu usage + email improvements (#944)

* fix: cpu usage on server ws manager, 100% to 0% on idle

* fix:  change email icon to white and prefill email in daily room for authenticated users

* fix: improve email sending with full ts transcript

www/app/[roomName]/components/DailyRoom.tsx

@@ -212,8 +212,13 @@ export default function DailyRoom({ meeting, room }: DailyRoomProps) {
   const showConsentModalRef = useRef(showConsentModal);
   showConsentModalRef.current = showConsentModal;
 
+  const userEmail =
+    auth.status === "authenticated" || auth.status === "refreshing"
+      ? auth.user.email
+      : null;
   const { showEmailModal } = useEmailTranscriptDialog({
     meetingId: assertMeetingId(meeting.id),
+    userEmail,
   });
   const showEmailModalRef = useRef(showEmailModal);
   showEmailModalRef.current = showEmailModal;