Don't let focused change overlap nav panel

services/web/public/stylesheets/app/editor/review-panel.less

@@ -386,6 +386,7 @@
 	text-align: center;
 	background-color: @rp-bg-dim-blue;
 	border-top: solid 1px @rp-border-grey;
+	z-index: 2;
 }
 	.rp-nav-item {
 		color: lighten(@rp-type-blue, 25%);