Adds @odata.id to required properties for ReferenceCreate and ReferenceUpdate schemas

[peombwa]

Fixes #705

Changes proposed in this pull request

• Adds @odata.id to required properties for ReferenceCreate and ReferenceUpdate schemas.
• Adds Pester tests to validate the change.

Get-Help Output

➜ Get-Help Set-MgUserManagerByRef

NAME
    Set-MgUserManagerByRef

SYNOPSIS
    Update the ref of navigation property manager in users


SYNTAX
    Set-MgUserManagerByRef -UserId <String> -OdataId <String> [-AdditionalProperties <Hashtable>] [-OdataType <String>] [-Break]
    [-HttpPipelineAppend <SendAsyncStep[]>] [-HttpPipelinePrepend <SendAsyncStep[]>] [-PassThru] [-Proxy <Uri>] [-ProxyCredential
    <PSCredential>] [-ProxyUseDefaultCredentials] [-WhatIf] [-Confirm] [<CommonParameters>]

    Set-MgUserManagerByRef -UserId <String> -BodyParameter <IReferenceUpdate> [-Break] [-HttpPipelineAppend <SendAsyncStep[]>]
    [-HttpPipelinePrepend <SendAsyncStep[]>] [-PassThru] [-Proxy <Uri>] [-ProxyCredential <PSCredential>] [-ProxyUseDefaultCredentials]
    [-WhatIf] [-Confirm] [<CommonParameters>]

    Set-MgUserManagerByRef -InputObject <IUsersIdentity> -OdataId <String> [-AdditionalProperties <Hashtable>] [-OdataType <String>]
    [-Break] [-HttpPipelineAppend <SendAsyncStep[]>] [-HttpPipelinePrepend <SendAsyncStep[]>] [-PassThru] [-Proxy <Uri>]
    [-ProxyCredential <PSCredential>] [-ProxyUseDefaultCredentials] [-WhatIf] [-Confirm] [<CommonParameters>]

    Set-MgUserManagerByRef -InputObject <IUsersIdentity> -BodyParameter <IReferenceUpdate> [-Break] [-HttpPipelineAppend
    <SendAsyncStep[]>] [-HttpPipelinePrepend <SendAsyncStep[]>] [-PassThru] [-Proxy <Uri>] [-ProxyCredential <PSCredential>]
    [-ProxyUseDefaultCredentials] [-WhatIf] [-Confirm] [<CommonParameters>]

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