Grid column regression introduced in v5.0.2

Created by: mynameisbogdan

In v5.0.2 when using <div class="col-md-6 col-xl"> col-md-6 takes precedence before col-xl even when screen size is bigger than 1400px.

example 5.0.2 (with bug): https://codepen.io/mynameisbogdan/pen/KKmoNee example 5.0.1 (correct): https://codepen.io/mynameisbogdan/pen/rNmdWRg