Fix container manager sandbox violation. This service has split into two services, and we need to allow both in the Network process. In the WebContent process, we fix the violation by making sure that the top privately controlled domain is in the cache, since we otherwise will hit this violation.
<rdar://problem/101571870>
Pull request: https://github.com/WebKit/WebKit/pull/6398
Committed 256605@main (15603efbf0b0): <https://commits.webkit.org/256605@main> Reviewed commits have been landed. Closing PR #6398 and removing active labels.