Add API support query, `supportsImageStreaming` for checking if the camera platform supports image streaming.

As requested on this comment: https://github.com/flutter/packages/pull/8234#discussion_r1871232301

Attempting to follow the [contribution guide wrt. changing federated plugins](https://github.com/flutter/flutter/blob/master/docs/ecosystem/contributing/README.md#changing-federated-plugins).

There is no issue to link to, but should I create one?