[SSE] Change icons for pivot table

apps/spreadsheeteditor/main/app/template/RightMenu.template

@@ -30,7 +30,7 @@
         <button id="id-right-menu-chart" class="btn btn-category arrow-left" content-target="id-chart-settings"><i class="icon toolbar__icon btn-menu-chart">&nbsp;</i></button>
         <button id="id-right-menu-text" class="btn btn-category arrow-left" content-target="id-paragraph-settings"><i class="icon toolbar__icon btn-paragraph">&nbsp;</i></button>
         <button id="id-right-menu-textart" class="btn btn-category arrow-left" content-target="id-textart-settings"><i class="icon toolbar__icon btn-menu-textart">&nbsp;</i></button>
-        <button id="id-right-menu-pivot" class="btn btn-category arrow-left" content-target="id-pivot-settings"><i class="icon toolbar__icon btn-menu-pivot">&nbsp;</i></button>
+        <button id="id-right-menu-pivot" class="btn btn-category arrow-left" content-target="id-pivot-settings"><i class="icon toolbar__icon btn-pivot-sum">&nbsp;</i></button>
         <button id="id-right-menu-slicer" class="btn btn-category arrow-left" content-target="id-slicer-settings"><i class="icon toolbar__icon btn-slicer">&nbsp;</i></button>
         <button id="id-right-menu-signature" class="btn btn-category arrow-left hidden" content-target="id-signature-settings"><i class="icon toolbar__icon btn-menu-signature">&nbsp;</i></button>
     </div>

apps/spreadsheeteditor/main/app/view/PivotTable.js

@@ -180,7 +180,7 @@ define([
 
                 this.btnAddPivot = new Common.UI.Button({
                     cls: 'btn-toolbar x-huge icon-top',
-                    iconCls: 'toolbar__icon btn-add-pivot',
+                    iconCls: 'toolbar__icon btn-pivot-sum',
                     caption: this.txtCreate,
                     disabled    : false,
                     lock        : [_set.lostConnect, _set.coAuth, _set.editPivot, _set.selRangeEdit, _set.selChart, _set.selChartText, _set.selShape, _set.selShapeText, _set.selImage, _set.selSlicer]