Reverted changes fix for modal and fixed the e.stopImmediatePropagation issue

Author: konarshankar07

app/code/Magento/Checkout/view/frontend/web/js/sidebar.js

@@ -98,7 +98,9 @@ define([
 
                         /** @inheritdoc */
                         always: function (e) {
-                            e.stopImmediatePropagation();
+                            if (e) {
+                                e.stopImmediatePropagation();
+                            }
                         }
                     }
                 });

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

@@ -104,12 +104,11 @@ define([
                 /**
                  * Escape key press handler,
                  * close modal window
-                 * @param {Object} event - event
                  */
-                escapeKey: function (event) {
+                escapeKey: function () {
                     if (this.options.isOpen && this.modal.find(document.activeElement).length ||
                         this.options.isOpen && this.modal[0] === document.activeElement) {
-                        this.closeModal(event);
+                        this.closeModal();
                     }
                 }
             }

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

@@ -65,30 +65,13 @@ define([
                 click: function () {
                     this.closeModal(true);
                 }
-            }],
-            keyEventHandlers: {
-
-                /**
-                 * Escape key press handler,
-                 * close modal window
-                 */
-                escapeKey: function () {
-                    if (this.modal.find(document.activeElement).length ||
-                        this.modal[0] === document.activeElement) {
-                        this.closeModal();
-                    }
-                }
-            }
+            }]
         },
 
         /**
          * Create widget.
          */
         _create: function () {
-            _.bindAll(
-                this,
-                'keyEventSwitcher'
-            );
             this.options.focus = this.options.promptField;
             this.options.validation = this.options.validation && this.options.validationRules.length;
             this._super();
@@ -136,18 +119,6 @@ define([
             return formTemplate;
         },
 
-        /**
-         * Listener key events.
-         * Call handler function if it exists
-         */
-        keyEventSwitcher: function (event) {
-            var key = keyCodes[event.keyCode];
-
-            if (this.options.keyEventHandlers.hasOwnProperty(key)) {
-                this.options.keyEventHandlers[key].apply(this, arguments);
-            }
-        },
-
         /**
          * Remove widget
          */