[SSE] Add icons for slicer

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

@@ -31,7 +31,7 @@
         <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-slicer" class="btn btn-category arrow-left" content-target="id-slicer-settings"><i class="icon toolbar__icon btn-menu-pivot">&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>
 </div>

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

@@ -737,7 +737,7 @@ define([
                 me.btnInsertSlicer = new Common.UI.Button({
                     id: 'tlbtn-insertslicer',
                     cls: 'btn-toolbar x-huge icon-top',
-                    iconCls: 'toolbar__icon btn-symbol',
+                    iconCls: 'toolbar__icon btn-slicer',
                     caption: me.capBtnInsSlicer,
                     lock: [_set.editCell, _set.selChart, _set.selChartText, _set.selShape, _set.selShapeText, _set.selImage, _set.lostConnect, _set.coAuth, _set.multiselect, _set.noSlicerSource]
                 });