Description of problem: The goal of this BZ is to port the CollapseSnapshots method to InfraConversionJob.
https://github.com/ManageIQ/manageiq/pull/19139
In progress: https://github.com/ManageIQ/manageiq/pull/19139
https://github.com/ManageIQ/manageiq/pull/19177
https://github.com/ManageIQ/manageiq-content/pull/566