Unable to sort using image field caption

Problem/Motivation

Need to sort the image using caption, but unable to find caption in field list to sort in my view.

Steps to reproduce

Create a view of type Media, select Media: Image and select Formatter as Image with Caption.
Apply this. Click Sort Criteria > Search Caption in field list, it does not show any field.

Proposed resolution

No resolution found yet.

Remaining tasks

User interface changes

API changes

Data model changes