handleWindowResize doesn't work properly when footer visibility changes at runtime

I need to toggle the visibility of the grid footer by user request, so I basically change the showColumnFooter value then call handleWindowResize and refresh to resize and upgrade the grid. The grid rests inside a div in a full flexible layout with stuff above and below so it's important to adjust the size properly, but something is not working:

• If the footer is hidden at startup, showing it (i.e. setting showColumnFooter=true) will cause the grid to exceed the container height.
• If the footer is initially visible instead, hiding it (showColumnFooter=false) will leave an empty space at the bottom.
• The miscalculated height is persistent: any subsequent call to handleWindowResize and refresh won't fix the problem.

I've made a very simplified version of my layout in this plunkr: by playing with the buttons to toggle the footer and change the container size you can see exactly what the problem is.