File restore button needs to be smaller to fit the new toolbar height.

services/web/app/views/project/editor/history/diffPanelV1.pug

@@ -14,7 +14,7 @@
 				)
 				|  in <strong>{{history.diff.pathname}}</strong>
 			.toolbar-right(ng-if="permissions.write")
-				a.btn.btn-danger.btn-sm(
+				a.btn.btn-danger.btn-xs(
 					href,
 					ng-click="openRestoreDiffModal()"
 				) #{translate("restore_to_before_these_changes")}