StickHeaderBehavior.HeaderElementProperty has wrong containing type, incorrect summary.

[Arlodotexe]

Discussed in #4724

^{Originally posted by h82258652 August 17, 2022}

[michael-hawker]

For some reason I thought we had an issue for this already some where? And was there more than one file this effected (as we have 3 header behaviors, right?)