Use ODataProperty directly to write Edm.Untyped property

[xuzhg]

Assemblies affected
Which assemblies and versions are known to be affected e.g. ASP.NET Core OData 8.x

Describe the bug
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Reproduce steps
As these comments mentioned,
https://github.com/OData/AspNetCoreOData/blob/main/src/Microsoft.AspNetCore.OData/Formatter/Serialization/ODataResourceSerializer.cs#L1338-L1351

When updating to ODL 7.16.0, please fix it.

Data Model
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EDM (CSDL) Model
Please share your Edm model, for example, CSDL file.
You can send $metadata to get a CSDL XML content.

Request/Response
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Please share your response head, body.

Expected behavior
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Screenshots
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Additional context
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[corranrogue9]

There is an ODL fix PR here

[corranrogue9]

Once the new ODL version has been released, we should take that version and remove the code that @xuzhg has referenced in this issue.