[Xcode] WebKitSwift is not built by WebKit.xcworkspace schemes
<rdar://problem/115386183>
Pull request: https://github.com/WebKit/WebKit/pull/17708
Committed 267927@main (aa9569b3f0cb): <https://commits.webkit.org/267927@main> Reviewed commits have been landed. Closing PR #17708 and removing active labels.