Description: The audio, image, video, archive, and document files break down does not appear to be correct in the disk usage system report.

Steps to Replicate:

1. Log into Blackboard Learn as an Administrator
2. Create a Test Course as "TestCourse_ID"
3. Open the created Course
4. Manually Import audio, video, image files, archive file and pdfs to Content Collection with a certain size like 150 MB.
5. Manually Create ImportedContent folder and copy the files in Content Collection 
6. Wait until the next day for the disk usage task to execute
7. Go to System Admin > System Reporting > Disk Usage
8. Search by Course Information and Course ID

Observed Behavior:
The total audio, image, video, archive, document, and other files add up to less than the total size

Ecpected Behavior:
The total audio, image, video, archive, document, and other files add up to the total size