fixed magento#14266 issue

Author: shubham sharma

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

@@ -93,7 +93,7 @@ define([
          * @returns {Object} Chainable.
          */
         initModalEvents: function () {
-            this.options.keyEventHandlers.escapeKey = this.options.outerClickHandler = this[this.onCancel].bind(this);
+            this.options.keyEventHandlers.escapeKey = this[this.onCancel].bind(this);
 
             return this;
         },

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

@@ -415,9 +415,7 @@ define([
          * Creates overlay, append it to wrapper, set previous click event on overlay.
          */
         _createOverlay: function () {
-            var events,
-                outerClickHandler = this.options.outerClickHandler || this.closeModal;
-
+            var events;
             this.overlay = $('.' + this.options.overlayClass);
 
             if (!this.overlay.length) {