MAGETWO-44422: Inconsistent confirm modal window behavior

- Fix mini shopping cart
- Update modal and confirm widget (add event to modal and confirm callbacks )

Author: Volodymyr Zaets

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

@@ -53,6 +53,9 @@ define([
                     actions: {
                         confirm: function () {
                             self._removeItem($(event.currentTarget));
+                        },
+                        always: function (event) {
+                            event.stopImmediatePropagation();
                         }
                     }
                 });

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

@@ -40,8 +40,8 @@ define([
                 /**
                  * Click handler.
                  */
-                click: function () {
-                    this.closeModal();
+                click: function (event) {
+                    this.closeModal(event);
                 }
             }, {
                 text: $.mage.__('OK'),
@@ -50,8 +50,8 @@ define([
                 /**
                  * Click handler.
                  */
-                click: function () {
-                    this.closeModal(true);
+                click: function (event) {
+                    this.closeModal(event, true);
                 }
             }]
         },
@@ -82,15 +82,15 @@ define([
         /**
          * Close modal window.
          */
-        closeModal: function (result) {
+        closeModal: function (event, result) {
             result = result || false;
 
             if (result) {
-                this.options.actions.confirm();
+                this.options.actions.confirm(event);
             } else {
-                this.options.actions.cancel();
+                this.options.actions.cancel(event);
             }
-            this.options.actions.always();
+            this.options.actions.always(event);
             this.element.bind('confirmclosed', _.bind(this._remove, this));
 
             return this._super();

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

@@ -78,8 +78,8 @@ define([
                 /**
                  * Default action on button click
                  */
-                click: function () {
-                    this.closeModal();
+                click: function (event) {
+                    this.closeModal(event);
                 }
             }]
         },