Enhances ActiveForm with support for HTML5 attributes like formaction, formtarget and formmethod (#8719) [ci-skip] (#11999)

* Enhances ActiveForm with support for HTML5 attributes like formaction, formtarget and formmethod (#8719)

* Requested (format) changes by samdark

framework/CHANGELOG.md

@@ -22,6 +22,9 @@ Yii Framework 2 Change Log
 - Bug #11461: Fixed migration tool error when create migrate with comma in `defaultValue` (pana1990, s-o-f)
 - Bug #11912: Fixed PostgreSQL Schema to support negative default values for integer/float/decimal columns (nsknewbie)
 - Bug #11947: Fixed `gridData` initialization in `yii.gridView.js` (pavlm)
+- Bug #11949: Fixed `ActiveField::end` generates close tag when it's `option['tag']` is null (egorio)
+- Enh #8719: Add support for HTML5 attributes on submitbutton (formaction/formmethod...) for ActiveForm (VirtualRJ)
+- Enh #11950: Improve BaseArrayHelper::keyExists speed (egorio)
 - Bug #11949: Fixed `ActiveField::end()` generates close tag when it's `option['tag']` is `null` (egorio)
 - Bug #11977: Fixed `yii\rest\Serializer::serialize()` serializes DataProvider incorrectly, if models keys do not compose integer sequence (dcb9, klimov-paul)
 - Enh #11275: Added possibility of unset or force replace former value in `ArrayHelper::merge()` (mdmunir, rob006)

framework/assets/yii.activeForm.js

@@ -620,11 +620,9 @@
             } else {
                 data.validated = true;
                 if (data.submitObject) {
-                    applyButtonOptions($form, data.submitObject);
-                }
-                $form.submit();
-                if (data.submitObject) {
-                    restoreButtonOptions($form);
+                    data.submitObject.trigger("click");
+                } else {
+                    $form.submit();
                 }
             }
         } else {