Enhancement
Form in horizontal orientation does not align the items correctly in the grid layout

Reproduction of the problem

Dojo: https://dojo.telerik.com/oJutUjUH

Current behavior
3rd item with colSpan of 2 does not take the whole available space

Expected/desired behavior

3rd item shall align according to previous items

Environment
Kendo UI version: [all]
jQuery version: [all]
Browser: [all]