Force wizard form to expand

I’ve seen that the wizard form size resizes depending on the widgets that are shown.

We found a case where a wizard has none of the fields that expand but it has a big amount of field to be shown on a compact design. I will put an screenshot:

You see that ther are some fields that are cut despite using a 1920px wide screen.

On the other hand, if I add an invisible text widget I get the following result:

Which make it look nicer.

I’m wondering if there is any way to force this behaviour for a specific form when the wizard does not have any widget that should expand.

The main problem with this workarround is that the field space is keep on tryton:

The code I used is the following:

<field name="description" widget="text" invisible="1" yexpand="0"/>  

description is a Char field on the model.