[Tables Extension] Enrich output data with OData annotations

When using the TablesOutput attribute, the .NET worker should add OData annotations so that type information is not lost. One way to do this would be to register Middleware that does something like this:

```c#
internal class TableEntityMiddleware : IFunctionsWorkerMiddleware
{
public async Task Invoke(FunctionContext context, FunctionExecutionDelegate next)
{
await next(context).ConfigureAwait(false);

var result = context.GetInvocationResult();

if (result.Value != null)
{
result.Value = result.Value.ToOdataAnnotatedDictionary();
}
}
}
```

Where ToOdataAnnotatedDictionary uses the code from here - https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/tables/Azure.Data.Tables/src/Extensions/DictionaryTableExtensions.cs#L19

Start with the TablesOutput attribute and the IFunctionsWorkerMiddleware example in the issue, then read Azure.Data.Tables' DictionaryTableExtensions.cs at the linked location. Confirm how the invocation result is represented and ensure table output preserves type information through OData annotations; done means the Tables extension enriches returned output without losing existing values.

Written by the indexing model from the issue text.