Export result additional options do not accept more than option at the moment

Describe the bug

request_body = ExportResultPostRequestBody(
	display_name = "Export 4",
	export_criteria = ExportCriteria.PartiallyIndexed,
	export_location = ExportLocation.ResponsiveLocations | ExportLocation.NonresponsiveLocations,
	additional_options = AdditionalOptions.AdvancedIndexing | AdditionalOptions.SubfolderContents | AdditionalOptions.AllItemsInFolder | AdditionalOptions.ListAttachments | AdditionalOptions.TeamsAndYammerConversations | AdditionalOptions.HtmlTranscripts | AdditionalOptions.CloudAttachments | AdditionalOptions.IncludeFolderAndPath | AdditionalOptions.SplitSource | AdditionalOptions.CondensePaths | AdditionalOptions.FriendlyName | AdditionalOptions.IncludeReport,
	export_format = ExportFormat.Eml,
)

Looking to set multiple options to additional options here

Expected behavior

request_body = ExportResultPostRequestBody(
	display_name = "Export 4",
	export_criteria = ExportCriteria.PartiallyIndexed,
	export_location = ExportLocation.ResponsiveLocations | ExportLocation.NonresponsiveLocations,
	additional_options = [AdditionalOptions.AdvancedIndexing, AdditionalOptions.SubfolderContents , AdditionalOptions.AllItemsInFolder],
	export_format = ExportFormat.Eml,
)

How to reproduce

just try setting more than 2 options, it will not work. But works for single option

SDK Version

msgraph-beta-sdk 1.48.0

Latest version known to work for scenario above?

No response

Known Workarounds

No response

Debug output

</details>


### Configuration

_No response_

### Other information

_No response_

msgraph-beta-sdk 1.48.0 で、示されている ExportResultPostRequestBody の例を使って問題を再現します。次に、AdditionalOptions と ExportResultPostRequestBody の定義を調べ、複数の値がどのように表現され、シリアライズされるかを確認します。単一および複数の値を対象とするカバレッジがあり、リクエストが複数の追加オプションを受け付けて正しく送信できれば完了です。