ENGCOM-6229: Allow modal triggers to be added after module initialization #25435

 - Merge Pull Request #25435 from krzksz/magento2:modal-async-trigger
 - Merged commits:
   1. 17a8aa9

Author: magento-engcom-team

app/code/Magento/Ui/view/base/web/js/modal/modal.js

@@ -131,7 +131,10 @@ define([
             this._createWrapper();
             this._renderModal();
             this._createButtons();
-            $(this.options.trigger).on('click', _.bind(this.toggleModal, this));
+
+            if (this.options.trigger) {
+                $(document).on('click', this.options.trigger, _.bind(this.toggleModal, this));
+            }
             this._on(this.modal.find(this.options.modalCloseBtn), {
                 'click': this.options.modalCloseBtnHandler ? this.options.modalCloseBtnHandler : this.closeModal
             });