Content field (WYSIWYG) collapses to zero height.

[andrewxx]

• Winter CMS Build: 1.2.10
• Pages Plugin Version: 2.2.0
• PHP Version:

Description:

Backend area. Pages.
Content field (WYSIWYG) collapses to zero height.
Both WYSIWYG view and Code view.

Investigation:
It works fine if change stretch: true to false here:
plugins/winter/pages/classes/page/fields.yaml

    fields:
        markup:
            tab: winter.pages::lang.editor.content
            type: richeditor
            stretch: true
            size: huge

It also works in fullscreen mode

Steps To Reproduce: