The startTime of dynamically added EXT-X-DATERANGE metadata cues is always 0
rdar://104142471
Pull request: https://github.com/WebKit/WebKit/pull/9474
Committed 259924@main (b63b9425c88b): <https://commits.webkit.org/259924@main> Reviewed commits have been landed. Closing PR #9474 and removing active labels.