Suggest `headnote` in `doctrine` modal `form`

app/javascript/controllers/selectize_controller.js

@@ -18,8 +18,9 @@ export default class extends ApplicationController {
 
     $(".default-selectize").selectize(default_opts);
 
-    var $doctrine_content = $("#doctrineModal").find("input[name='content']");
+    var $doctrine_modal = $("#doctrineModal")
-    var $trix_content = $("#doctrineModal").find(".trix-content");
+    var $doctrine_content = $doctrine_modal.find("input[name='content']");
+    var $trix_content = $doctrine_modal.find(".trix-content");
 
     var doctrine_content_suggestions_opts = {
       onChange: function (value) {
@@ -30,6 +31,7 @@ export default class extends ApplicationController {
           $.get("/api/doctrines/" + value + ".json", {}, function (doctrine, status) {
             if (status === "success") {
               $doctrine_content.val(doctrine.content);
+              $doctrine_modal.find("input[name='headnote']").val(doctrine.headnote)
               $trix_content.val(doctrine.content);
             }
           });