Saber parser slowing down site load times with high # variations

[atwellpub]

The Saber parser is slows down page load times significantly as variation count increases.

We reveal the correct variation via js after all variations have been prepared due to caching mechanisms preventing php from deciding which variation to preload.

We'll need to investigate a restructure of how we load ctas or build a faster parser.

For now this is not urgent.

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[DavidWells]

This would be fixed if we preprocess all the CSS and inline all of it with the correct classes.

So on CTA save, process all CSS to inline, save to cta and then render all 3 (if there are three variations) in the dom