* Fixes#2569. Borders scenarios needed to be refactored.
* Fix border title with width equal to 4 and thickness top grater than 1.
* Improves border manipulation on borders scenarios.
* Prevents null value on the margin, border and padding thickness on the border scenarios.
* Remove NStack using dependence and fix prior commit.
* Refactoring the Frames scenario.
* Deleted borders scenarios.
* I did not realize that it was changed to SetSubViewNeedsDisplay.
* Re-layout; fixed colorpicker; fixed radio group
* Remove Thickness.IsEmpty as requested.
* Change the Frames scenario as requested.
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Co-authored-by: Tig Kindel <tig@users.noreply.github.com>
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