[Win] Generate VS project files with '-T ClangCL' if $CC is 'clang-cl'
Pull request: https://github.com/WebKit/WebKit/pull/18512
Committed 268758@main (7b833e8e18ce): <https://commits.webkit.org/268758@main> Reviewed commits have been landed. Closing PR #18512 and removing active labels.
<rdar://problem/116374780>