add signature id

app/javascript/submission_form/form.vue

@@ -4,7 +4,9 @@
     :steps="stepFields"
     :values="values"
     :with-field-placeholder="withFieldPlaceholder"
+    :submitter="submitter"
     :scroll-el="scrollEl"
+    :with-signature-id="withSignatureId"
     :attachments-index="attachmentsIndex"
     :with-label="!isAnonymousChecboxes && showFieldNames"
     :current-step="currentStepFields"
@@ -535,6 +537,11 @@ export default {
       type: Object,
       required: true
     },
+    withSignatureId: {
+      type: Boolean,
+      required: false,
+      default: false
+    },
     scrollPadding: {
       type: String,
       required: false,