Rename TextBreakIteratorCF::Mode values to be more honest about what they are
Pull request: https://github.com/WebKit/WebKit/pull/3056
Committed 253163@main (3923ca64434f): <https://commits.webkit.org/253163@main> Reviewed commits have been landed. Closing PR #3056 and removing active labels.
<rdar://problem/98215665>