Multiview with ui.form wrong width

Hi Webix team, in the snipped http://webix.com/snippet/ae96c9d8 I have the following problem: I click on the bar-icon and the filter form appears, then I click on the minus-icon and the form changes the width. How I can avoid this behavior. Thanks for advice

Sizing issue is caused by the superfluous container {cols:[ ]} for the msnr input:

http://webix.com/snippet/3ff49152

Thanks Listopad, it works great now!