Description of problem: Source RPMs showing up as a regular package on custom repository.

Version-Release number of selected component (if applicable):
Red Hat Satellite 6.11

How reproducible: Every Time.

Steps to Reproduce:
1. Create a custom product on Satellite Content -> Product
2. Create a custom repository in the Product created.
3. Now add some 'rpm's' and 'src.rpm' and upload.

Actual results:

=> On Satellite GUI on "Content Counts" for the custom repo, the "Source RPMs" count showed 0 even when there are src.rpm's files contained within the custom repo.

Expected results:

=> The "Content Counts" should display the correct content type data.

Additional info: