Add support for multipart requests for Typescript

[rkodev]

Add support to generate code with multipart requests. Schema's with multipart request currently cannot be generated for Typescript and is blocked by support implementation in kiota-typescript

• Add support for multipart serialization in kiota-typescript
• Enable multipart serialization for TS in kiota

[andrueastman]

Looks like we have the multibody type present in the libs.
https://github.com/microsoft/kiota-typescript/blob/main/packages/abstractions/src/multipartBody.ts

Also, the serializer is present here
https://github.com/microsoft/kiota-typescript/tree/main/packages/serialization/multipart/src

Could this be a different bug?

[andrueastman]

@rkodev With fixes made in microsoft/kiota-typescript#1399. Any chance you can confirm if this is still an issue and resolve/close?

From my perspective, kiota-typescript has the relevant types for multipart and the generator emits the information as expected.

The suppression here looks to possibly related to #5353 and not really multipart requests

kiota/it/config.json

Line 234 in 01710c8

"Rationale": "https://github.com/microsoft/kiota/issues/5256"

[rkodev]

@andrueastman This seems to be resolved, I'll do ahead and close it