Revert "Issue #3347144 by dgtlmoon, mstrelan, Evaldas Užkuras, bkosborne, FeyP, pirvudoru: Form API #states property/states should use .once() to apply its rules (Can cause failures with BigPipe and possibly other situations)"

This reverts commit d6b6ad8fd6.

core/misc/states.js

@@ -93,16 +93,15 @@
    */
   Drupal.behaviors.states = {
     attach(context, settings) {
-      const elements = once('states', '[data-drupal-states]', context);
+      const $states = $(context).find('[data-drupal-states]');
-      const il = elements.length;
+      const il = $states.length;
-
       for (let i = 0; i < il; i++) {
         const config = JSON.parse(
-          elements[i].getAttribute('data-drupal-states'),
+          $states[i].getAttribute('data-drupal-states'),
         );
         Object.keys(config || {}).forEach((state) => {
           new states.Dependent({
-            element: $(elements[i]),
+            element: $($states[i]),
             state: states.State.sanitize(state),
             constraints: config[state],
           });
@@ -121,7 +120,7 @@
    *
    * @constructor Drupal.states.Dependent
    *
-   * @param {{state: Drupal.states.state, constraints: *, element: (*|jQuery|HTMLElement)}} args
+   * @param {object} args
    *   Object with the following keys (all of which are required)
    * @param {jQuery} args.element
    *   A jQuery object of the dependent element

core/tests/Drupal/FunctionalJavascriptTests/Core/Form/JavascriptStatesTest.php

@@ -27,7 +27,7 @@ class JavascriptStatesTest extends WebDriverTestBase {
   /**
    * {@inheritdoc}
    */
-  protected static $modules = ['form_test', 'big_pipe'];
+  protected static $modules = ['form_test'];
 
   /**
    * {@inheritdoc}