[http-server-javascript] Fix an annoying bug with router path matching. #4115
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This PR fixes a bug where path parameters in the middle of a path would fail to match because they incorrectly removed the leading "/" from the
rest
of the path segment after matching. The "/" trailing a parameter was never included as part of the path but was discarded by a call toString.split
. The logic in this PR is more robust, always using indices and slices.