[v2021] basesdk: Install xf86-video-vmware

This is necessary for resizing to work reliably in VirtualBox.

In addition, this also includes an overlay configuration change to ensure that our XFCE defaults are also applied to displays following this driver's slightly different naming scheme.

https://phabricator.apertis.org/T8934

Signed-off-by: Ryan Gonzalez ryan.gonzalez@collabora.com

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Draft status so I can manually test the final .ova before merging.