Verify newly added API's

[mlRosenquist]

Is your feature request related to a problem? Please describe. New API's has recently been added to XDT according to https://docs.microsoft.com/en-us/powerapps/developer/model-driven-apps/clientapi/reference . Some of the functionality might not be implemented correctly. This is a result of functionality being in prerelease and not properly documented.

Describe the solution you'd like We need to verify the following API's in the future:

• AppSidePane
• Xrm.App.sidePane
• formContext.ui.quickForms

Describe alternatives you've considered

Additional context