Update Umbraco to 7.12.2

WebCms/Umbraco/Views/components/buttons/umb-button-group.html

@@ -1,6 +1,8 @@
 <div class="btn-group umb-button-group" ng-class="{'dropup': direction === 'up'}">
-
+    
    <umb-button
+      ng-if="defaultButton"
+      alias="{{defaultButton.alias ? defaultButton.alias : 'groupPrimary' }}"
       type="button"
       action="defaultButton.handler()"
       button-style="success"
@@ -11,13 +13,13 @@
       shortcut-when-hidden="{{defaultButton.hotKeyWhenHidden}}">
    </umb-button>
 
-   <a class="btn btn-success dropdown-toggle umb-button-group__toggle" data-toggle="dropdown" ng-if="subButtons.length > 0">
+   <a data-element="button-group-toggle" class="btn btn-success dropdown-toggle umb-button-group__toggle" data-toggle="dropdown" ng-if="subButtons.length > 0">
       <span class="caret"></span>
    </a>
 
    <ul aria-labelledby="dLabel" class="dropdown-menu bottom-up umb-button-group__sub-buttons" ng-if="subButtons.length > 0" role="menu" ng-class="{'-align-right': float === 'right'}">
       <li ng-repeat="subButton in subButtons">
-         <a href="#" ng-click="subButton.handler()" hotkey="{{subButton.hotKey}}" hotkey-when-hidden="{{subButton.hotKeyWhenHidden}}" prevent-default>
+         <a data-element="{{subButton.alias ? 'button-' + subButton.alias : 'button-group-secondary-' + $index }}" href="#" ng-click="subButton.handler()" hotkey="{{subButton.hotKey}}" hotkey-when-hidden="{{subButton.hotKeyWhenHidden}}" prevent-default>
             <localize key="{{subButton.labelKey}}">{{subButton.labelKey}}</localize>
          </a>
       </li>