Make margins consistent with col margins

services/web/public/stylesheets/app/sidebar-v2-dash-pane.less

@@ -8,8 +8,8 @@
 .project-list-sidebar {
 	flex-grow: 1;
 	height: 100%;
-	padding-left: @line-height-computed / 2;
-	padding-right: @line-height-computed / 2;
+	padding-left: 15px;
+	padding-right: 15px;
 }
 
 .project-list-sidebar-v2-pane {