FORMS-14685 : added required in tnc approval checkbox (#1204)

Co-authored-by: Pavitra Khatri <pavitrakhatri@pavitras-mbp.corp.adobe.com>

Author: pavi41

src/main/archetype/ui.apps/src/main/content/jcr_root/apps/__appId__/components/adaptiveForm/termsandconditions/_cq_template.xml

@@ -18,6 +18,7 @@
     jcr:primaryType="nt:unstructured"
     jcr:title="I agree to the terms & conditions"
     sling:resourceType="${appId}/components/adaptiveForm/checkbox"
+    required="true"
     enabled="false"
     checkedValue="true"
     fieldType="checkbox">