add 'isRegistered' flag to encrypted contents in an onboarding meeting

src/views/OnboardMeetingListView.vue

@@ -126,6 +126,7 @@ export default class OnboardMeetingListView extends Vue {
   attendingMeeting: Meeting | null = null;
   firstName = "";
   isLoading = false;
+  isRegistered = false;
   meetings: Meeting[] = [];
   password = "";
   selectedMeeting: Meeting | null = null;
@@ -136,6 +137,7 @@ export default class OnboardMeetingListView extends Vue {
     this.activeDid = settings.activeDid || "";
     this.apiServer = settings.apiServer || "";
     this.firstName = settings.firstName || "";
+    this.isRegistered = !!settings.isRegistered;
     await this.fetchMeetings();
   }
 
@@ -232,6 +234,7 @@ export default class OnboardMeetingListView extends Vue {
       const memberData = {
         name: this.firstName,
         did: this.activeDid,
+        isRegistered: this.isRegistered,
       };
       const memberDataString = JSON.stringify(memberData);
       const encryptedMemberData = await encryptMessage(