32943-Sugar for HierarchyId path generation

[Rezakazemi890]

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• [x] Commit messages follow this format:

        Summary of the changes
        - Add overload for Parse method with parent parameter overload to HierarchyId.
        - Add tests to ensure that both overloads behave correctly and identically.

        Fixes #32943 

• [x] Tests for the changes have been added (for bug fixes / features)
• [x] Code follows the same patterns and style as existing code in this repo

Fixes #32943

[Rezakazemi890]

@dotnet-policy-service agree

[Rezakazemi890]

I attempted to simplify the new Parse overload for ease of use, and I subsequently removed the constructor with this overload in This Commit

[ajcvickers]

Thanks for the contribution!