early review for a11y with recommendations to ignore the generated view transition pseudo tree for the purposes of a11y. We should capture that in the spec

We also need to discuss the text in view transition spec that currently says:

When a Document with invisible.

I don't think we want it to say invisible, since 1. it's contents are visible via the pseudo elements and 2., invisible elements means, among other things, that the elements

are also not rendered to speech (except when [CSS-SPEECH-1])

We'd like those to be available to a11y since otherwise the content would not be available to speech in any way