EXOTransportConfig ExternalDsnDefaultLanguage not properly escaped

[levesquesamuel]

Details of the scenario you tried and the problem that is occurring

When exporting EXOTransportConfig the string ExternalDsnDefaultLanguage is not properly escaped hence causing issue when importing back.

Verbose logs showing the problem

EXOTransportConfig 9287d18a-5fbb-417a-9704-41123ba226e2
{
AddressBookPolicyRoutingEnabled = $False;
AllowLegacyTLSClients = $False;
ApplicationId = $ConfigurationData.NonNodeData.ApplicationId;
CertificateThumbprint = $ConfigurationData.NonNodeData.CertificateThumbprint;
ClearCategories = $True;
ConvertDisclaimerWrapperToEml = $False;
DSNConversionMode = "PreserveDSNBody";
ExternalDelayDsnEnabled = $True;
ExternalDsnDefaultLanguage = fr-CA;
ExternalDsnLanguageDetectionEnabled = $True;
ExternalDsnSendHtml = $True;
HeaderPromotionModeSetting = "NoCreate";
InternalDelayDsnEnabled = $True;
InternalDsnLanguageDetectionEnabled = $True;
InternalDsnSendHtml = $True;
IsSingleInstance = "Yes";
JournalingReportNdrTo = "<>";
JournalMessageExpirationDays = 0;
MaxRecipientEnvelopeLimit = "Unlimited";
ReplyAllStormBlockDurationHours = 6;
ReplyAllStormDetectionMinimumRecipients = 2500;
ReplyAllStormDetectionMinimumReplies = 10;
ReplyAllStormProtectionEnabled = $True;
Rfc2231EncodingEnabled = $False;
SmtpClientAuthenticationDisabled = $True;
TenantId = $ConfigurationData.NonNodeData.TenantId;
}

Suggested solution to the issue

N/A

The DSC configuration that is used to reproduce the issue (as detailed as possible)

Set-TransportConfig -ExternalDsnDefaultLanguage "fr-CA"
Get-TransportConfig | select ExternalDsnDefaultLanguage

Export-M365DSCConfiguration -CertificateThumbprint X -ApplicationId X -TenantId X -Mode Full -Components @("EXOTransportConfig") 

The operating system the target node is running

OsName : Microsoft Windows 11 Enterprise
OsOperatingSystemSKU : EnterpriseEdition
OsArchitecture : 64-bit
WindowsVersion : 2009
WindowsBuildLabEx : 22621.1.amd64fre.ni_release.220506-1250
OsLanguage : en-US
OsMuiLanguages : {en-US, en-GB}

Version of the DSC module that was used ('dev' if using current dev branch)

dev