Support for dependent fields (Business Rules)

Problem/Motivation

Business Rules allows to create dependent fields, which can be then used in media content (images or videos). Although, this is not supported by Media Bulk Upload by now : when the parent field is filled, the dependent field stays blank.

Steps to reproduce

- Create a media type with two dependent fields, using Business Rules
- Add the media type to Media Bulk Upload
- Try to add Media in bulk for this type and change the parent field : the dependent field won't change.