add_proposal.js.es6 in decidim-proposals-0.16.0

- old
+ new

@@ -1,9 +1,9 @@
 $(() => {
   window.DecidimProposals = window.DecidimProposals || {};
 
   window.DecidimProposals.bindProposalAddress = () => {
-    const $checkbox = $("input:checkbox.has_address");
+    const $checkbox = $("input:checkbox[name$='[has_address]']");
     const $addressInput = $("#address_input");
 
     if ($checkbox.length > 0) {
       const toggleInput = () => {
         if ($checkbox[0].checked) {