add File size to files, videos, images

Go to: /admin/structure/views/view/media

To add the Video file size, first add the Video file (field_media_video_file:target_id) relationship
To add the Audio file size, first add the Audio file (field_media_audio_file:target_id) relationship
To add the Document file size, first add the Document (field_media_document:target_id) relationship
To add the Image file size, first add the Image (field_media_image:target_id) relationship

After adding the required relationships, the File size field will be available to add to the view.

Automatically closed - issue fixed for 2 weeks with no activity.