optional invite

app/javascript/form.js

@@ -15,6 +15,7 @@ safeRegisterElement('submission-form', class extends HTMLElement {
     this.app = createApp(Form, {
       submitter: JSON.parse(this.dataset.submitter),
       inviteSubmitters: JSON.parse(this.dataset.inviteSubmitters),
+      optionalInviteSubmitters: JSON.parse(this.dataset.optionalInviteSubmitters),
       schema: JSON.parse(this.dataset.schema),
       canSendEmail: this.dataset.canSendEmail === 'true',
       previousSignatureValue: this.dataset.previousSignatureValue,