browser: Add correct class to Share / See History buttons in Impress

...as in other tabbed bar JS files.

Signed-off-by: Aron Budea <aron.budea@collabora.com>
Change-Id: I29c43d9dc0ce4fa929e049e70171e0b8ab029088

browser/src/control/Control.NotebookbarImpress.js

@@ -222,6 +222,7 @@ L.Control.NotebookbarImpress = L.Control.NotebookbarWriter.extend({
 					(this._map['wopi'].EnableShare) ?
 						{
 							'id': 'ShareAs',
+							'class': 'unoShareAs',
 							'type': 'customtoolitem',
 							'text': _('Share'),
 							'command': 'shareas',
@@ -231,6 +232,7 @@ L.Control.NotebookbarImpress = L.Control.NotebookbarWriter.extend({
 						(L.Params.revHistoryEnabled) ?
 						{
 							'id': 'Rev-History',
+							'class': 'unoRev-History',
 							'type': 'customtoolitem',
 							'text': _('See history'),
 							'command': 'rev-history',