Support result pagination in Get-AzureADUser
The Get-AzureAdUser cmdlet does not support any pagination. The only option is -Top nnn. It appears that the underlying REST API does support pagination, so this should be a matter of exposing that support in the cmdlet.
The problem is with large Active Directory instances which currently require -All $true - which consumes a lot of memory (and therefore doesn't work in an Azure Runbook due to the 400MB limit).