Would be nice to add the following to your file /pro/_skins.scss:

.side-nav {

    .collapsible li {

        a {

            &:not(.collapsible-header) {

                &:hover {
                    color: map-get($data, skin-sn-child);

                    i {
                        color: map-get($data, skin-sn-child);
                    }
                }
            }
        }
    }
}