Use a select2 box for looking to instructeurs

app/javascript/new_design/select2.js

@@ -1,6 +1,13 @@
 import $ from 'jquery';
 import 'select2';
 
+const optionTemplate = email =>
+  $(
+    '<span class="custom-select2-option"><span class="icon person"></span>' +
+      email.text +
+      '</span>'
+  );
+
 addEventListener('ds:page:update', () => {
   $('select.select2').select2({
     language: 'fr',
@@ -20,4 +27,20 @@ addEventListener('ds:page:update', () => {
     maximumSelectionLength: '30',
     width: '300px'
   });
+
+  $('select.select2-limited.select-instructeurs').select2({
+    language: 'fr',
+    dropdownParent: $('.instructeur-wrapper'),
+    placeholder: 'Saisir l’adresse email de l’instructeur',
+    tags: true,
+    tokenSeparators: [',', ' '],
+    templateResult: optionTemplate,
+    templateSelection: function(email) {
+      return $(
+        '<span class="custom-select2-option"><span class="icon person"></span>' +
+          email.text +
+          '</span>'
+      );
+    }
+  });
 });