(142076445) Allow URL.standardized to return an empty string URL #1110
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Calling
URL.standardizedon a URL like../../../../removes the dot segments and produces an empty string.NSURLallows the empty string, and in the old implementation, this would return aURLthat wraps an empty stringNSURL.In the new implementation, we ultimately call
URL(string: "")when initializing this standardized URL, which returnsnilagain after #1103. SinceURL.standardizedreturns a non-nilURL, this would crash when unwrapped.We can allow
URL.standardized(and other methods that callURLComponents.url) to return an empty stringURLas they did previously by usingURL(string:relativeTo:)instead.