Wrap text nodes in spans if trying to mark as data-ve-ignore

Otherwise you're going to have a bad time.

Bug: 59002
Change-Id: Ifd90087b3d36f412420b9786f3d54a5418846d03
(cherry picked from commit b2b9f217da0fcc0795d59fdc54f2059b79d48b1c)
About-group extra DOM data in toDomElements

Although marked as data-ve-ignore, it isn't ignored by Parsoid,
so about group it together as well.

Bug: 59002
Change-Id: I263e316fb10f3e6f23fc1d409686cdefbd28fafa