Knowledge - Incorrect file size reported at the folder level

[sangee2004]

Steps to reproduce the problem:

1. Create an agent with knowledge source from website - coral.org in my case.
2. Wait for files to get synced.
   Notice that the file size reported at the folder level is incorrect.

There is 1 file in this folder structure with size - 2.64 MB. File size at the folder level gets reported as 2768998.00 MB.

Expected Behavior:
File size reported at the folder level should be the total of all files in the folder.

[sangee2004]

This issue is not seen anymore when testing with latest builds.