AlignAssignmentStatement overhaul to fix issues and include handing of Enums. (#2132)

* Wholesale rewrite of AlignAssignmentStatement to fix issues

* Change setting defaults to all enabled

* Wholesale rewrite of AlignAssignmentStatement to fix issues

* Change setting defaults to all enabled

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Co-authored-by: Christoph Bergmeister <c.bergmeister@gmail.com>
Co-authored-by: Andy Jordan <2226434+andyleejordan@users.noreply.github.com>