Add a basic preview to Custom Branding Style settings.

Basically this thing:

When using custom styles its a bit awkward how I have to guess what something will look like while choosing those settings.

Would be a great to have a simple preview sample appear that I can use as reference to what my stuff will generally look like.

Hi, sorry but this feature is deprecated and no longer supported. It will be removed within the next few weeks.

Ah good to know, thanks.