Issue #3489335 fix ESLint error by removing use of ajaxComplete.

Closes #3489335

js/viewsreference.js

@@ -2,7 +2,7 @@
  * @file
  */
 
-(($, Drupal) => {
+(($, Drupal, once) => {
   /**
    * Handles an autocomplete select event.
    *
@@ -35,23 +35,25 @@
 
   Drupal.behaviors.displayMessage = {
     attach(context) {
-      $(document).ajaxComplete(() => {
-        $(
-          '.field--type-viewsreference select.viewsreference-display-id',
-          context,
-        ).each(() => {
-          $('.viewsreference-display-error', context).remove();
-          const $parent = $(this).parent().hide();
-          if ($(this).find('option').length <= 1) {
-            const $error = $(
-              '<p class="viewsreference-display-error form-notice color-warning">There is no display available. Please select another view or change the field settings.</p>',
-            );
-            $parent.after($error);
-          } else {
-            $parent.show();
-          }
-        });
+      // Use the once function to select elements only once per AJAX refresh/behavior attach.
+      once('displayMessageInit', '.field--type-viewsreference select.viewsreference-display-id', context).forEach((select) => {
+        // Remove existing errors.
+        const errors = context.querySelectorAll('.viewsreference-display-error');
+        errors.forEach((error) => error.remove());
+
+        const parent = select.parentNode;
+        parent.style.display = 'none';
+
+        // Check the number of options in the select.
+        if (select.options.length <= 1) {
+          const error = document.createElement('p');
+          error.className = 'viewsreference-display-error form-notice color-warning';
+          error.textContent = 'There is no display available. Please select another view or change the field settings.';
+          parent.parentNode.insertBefore(error, parent.nextSibling);
+        } else {
+          parent.style.display = '';
+        }
       });
     },
   };
-})(jQuery, Drupal);
+})(jQuery, Drupal, once);