Fixes #34528 - Show puppet module count on composite cv add page

[chris1984]

What are the changes introduced in this pull request?

• Looking through the code, we deleted a method for the puppet module count, so recreated that and added a test on the method.

Considerations taken when implementing this change?

• Made sure nothing else broke around that area.

What are the testing steps for this pull request?

• Spin up a Katello 3.18 or Sat 6.9 box
• Create a custom product and repo of puppet type
• Upload a puppet module
• Create a content view with the puppet module and publish
• Create a composite content view and add the content view, see that the puppet count is 0
• Apply patch and restart services
• Verify module count is correctly showing

[theforeman-bot]

Issues: #34528

[lfu]

Puppet Modules count went from 0 to 1 after applying the fix.

[lfu]

APJ