Include Importable in ProtectedRefAccess module
What does this MR do and why?
Include Importable in ProtectedRefAccess module
Small change to ensure Importable is included in all classes where ProtectedRefAcccess is included as the ProtectedRefAccess logic relies on Importable.
related to #461213 (closed)
Functionality wise this isn't changing anything. This just prevents any future classes from missing this module.