Disable Service Workers in Lockdown Mode.
<rdar://103318416>
Pull request: https://github.com/WebKit/WebKit/pull/7576
Pull request: https://github.com/Webkit/WebKit/pull/7576
Committed 257885@main (555ba9efdb30): <https://commits.webkit.org/257885@main> Reviewed commits have been landed. Closing PR #7576 and removing active labels.