[5.10] Fix non-tarballed SDK installation with remote URL (#7312)#7321

MaxDesiatov merged 1 commit intoswiftlang:release/5.10swiftlang/swift-package-manager:release/5.10from

kateinoigakukun:yt/cherry-pick-5.10-5b1fe44259dbd24332581060b056313ae80bba3kateinoigakukun/swift-package-manager:yt/cherry-pick-5.10-5b1fe44259dbd24332581060b056313ae80bba3Copy head branch name to clipboard