LibWebRTCMediaEndpoint sessionDescriptionType should return a value in all cases.
<rdar://100044704>
Pull request: https://github.com/WebKit/WebKit/pull/4536
Committed 254693@main (a318f27edaf2): <https://commits.webkit.org/254693@main> Reviewed commits have been landed. Closing PR #4536 and removing active labels.