Update stickybits directive in the base-form

js/components/forms/base_form.js

@@ -34,8 +34,12 @@ export default {
   mixins: [FormMixin],
   directives: {
     sticky: {
-      inserted: el => {
+      inserted: (el, binding) => {
-        stickybits(el)
+        var customAttributes
+        if (binding.expression) {
+          customAttributes = JSON.parse(binding.expression)
+        }
+        stickybits(el, customAttributes)
       },
     },
   },