Full-catalog picker item — every object the source system exposes, merged with MJ-side flags.
True when an IntegrationObject row already exists for this object.
Optional
IntegrationObject.ID — populated only when AlreadyPersisted is true.
Vendor-flagged custom object (e.g. SF __c names).
Full-catalog picker item — every object the source system exposes, merged with MJ-side flags.