set input value for question type of contact page

app/javascript/new_design/support.js

@@ -41,6 +41,7 @@ ButtonExpand.prototype.showContent = function () {
     this.controlledNode.classList.remove('hidden');
 
   }
+  this.formInput.value = this.domNode.getAttribute('data-question-type');
 
   this.allButtons.forEach((b) => {
     if (b != this) {
@@ -75,6 +76,10 @@ ButtonExpand.prototype.setAllButtons = function(buttons) {
   this.allButtons = buttons;
 }
 
+ButtonExpand.prototype.setFormInput = function(formInput) {
+  this.formInput = formInput;
+}
+
 /* EVENT HANDLERS */
 
 ButtonExpand.prototype.handleKeydown = function (event) {
@@ -115,6 +120,7 @@ window.addEventListener('load', function (event) {
 
   var buttons =  document.querySelectorAll('button[aria-expanded][aria-controls], button.button-without-hint');
   var expandButtons = [];
+  var formInput = document.querySelector('form input#type');
 
   buttons.forEach((button) => {
     var be = new ButtonExpand(button);
@@ -122,5 +128,6 @@ window.addEventListener('load', function (event) {
     expandButtons.push(be);
   });
   expandButtons.forEach((button) => button.setAllButtons(expandButtons));
+  expandButtons.forEach((button) => button.setFormInput(formInput));
 
 }, false);

app/views/support/index.html.haml

@@ -25,6 +25,7 @@
         = label_tag :type do
           = t('your_question', scope: [:support, :question])
           %span.mandatory *
+        = hidden_field_tag :type, params[:type]
       %dl
         - @options.each do |(question, question_type, link)|
           %dt