* Adjusted breadcrumb skinobject to support RenderingVersion

Closes #6967

* Moved RenderingVersion to SkinObjectBase so it is available on all SkinObjects

* Use <see cref /> in doc comment

Co-authored-by: Brian Dukes <bdukes@engagesoftware.com>

* Adjusted remarks on BreadCrumb SkinObject to explain differences in rendering versions

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Co-authored-by: Brian Dukes <bdukes@engagesoftware.com>