ExoRoleGroup: Member assignment issue for Role Groups with empty members

[tayhall]

Description of the issue

If you try to set a Role Group that has no members the code cannot compare the existing members to the members that should be set.

Microsoft 365 DSC Version

V124.7.31.1

Which workloads are affected

Exchange Online

The DSC configuration

EXORoleGroups = @( 
        @{
            Description = "Members of this management role group can view and manage the configuration for individual recipients and view recipients in an Exchange organization. Members of this role group can only manage the configuration each user can manage on his or her own mailbox. Additional  permissions can be added by assigning additional management roles to this role group.";
            Ensure      = "Present";
            Name        = "Help Desk";
            Roles       = @("User Options","View-Only Recipients","Reset Password");
            Members     = @("A-New-Group");
        }

Verbose logs showing the problem

InvalidData: Cannot bind argument to parameter 'ReferenceObject' because it is null.
InvalidOperation: The PowerShell DSC resource '[EXORoleGroup]EXORoleGroup-Help Desk::[Exchange]Exchange_Configuration' with SourceInfo 'redacted path\m365-dsc-configuration\M365Config\0.0.1\DscResources\Exchange\Exchange.schema.psm1::1074::9::EXORoleGroup' threw one or more non-terminating errors while running the Set-TargetResource functionality. These errors are logged to the ETW channel called Microsoft-Windows-DSC/Operational. Refer to this channel for more details.
InvalidData: Cannot bind argument to parameter 'ReferenceObject' because it is null.

Environment Information + PowerShell Version

Windows 11 and PS5.1