Fix padding in the review panel toolbar for IE.

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

@@ -120,7 +120,7 @@
 	.rp-size-expanded & {
 		display: flex;
 		align-items: center;
-		justify-content: space-around;
+		justify-content: space-between;
 		padding: 0 5px;
 	}