Refactor Notifications to use Vue, and add clear all option (#3068)

[Notifications] Need a clear all notifications option #3006

* create new notifications indicator in vue, and sunset old one

* add notifications list overlay

* working notifications

* add support for progress notifications

* update percentage on mounted

* Markup cleanups in new Vue Notifications files

- Removed unneeded markup and class wrappers;
- Removed unneeded inline styling;

* remove example notifications

* fix lint errors

* make reviewer requested changes, remove old not needed files, add test

* update testTools to testUtils

Co-authored-by: charlesh88 <charlesh88@gmail.com>

platform/commonUI/dialog/res/templates/overlay-message-list.html

@@ -6,6 +6,12 @@
                     ng-show="ngModel.dialog.messages.length > 1 ||
                             ngModel.dialog.messages.length == 0">s</span>
             </div>
+            <button
+                ng-if="ngModel.dialog.topBarButton"
+                class="c-button c-button--major"
+                ng-click="ngModel.topBarButton.onClick">
+                {{ ngModel.topBarButton.label }}
+            </button>
         </div>
         <div class="w-messages c-overlay__messages">
             <mct-include
@@ -16,7 +22,7 @@
             <button ng-repeat="dialogAction in ngModel.dialog.actions"
                class="c-button c-button--major"
                ng-click="dialogAction.action()">
-                {{dialogAction.label}}
+                {{ dialogAction.label }}
             </button>
         </div>
     </div>