Fixes #34399 - copy partial package groups

[jlsherrill]

as part of cv publish

What are the changes introduced in this pull request?

Considerations taken when implementing this change?

This is a partial revert of this: #9206
As part of pulp 3.14, the behavior in pulp changed: https://pulp.plan.io/issues/9055 so we can now revert back to that behavior that was present in pulp2 as well.

What are the testing steps for this pull request?

1. sync a rhel 7 kickstart repo
2. create a cv and add the repo to it
3. add an exclude filter and exclude all versions of java-11-openjdk
4. publish the content view
5. check its package groups, it won't include 'Base' package group
   after the patch it should

[sjha4]

Works as described.

Version without the change without Base package group:

Version with the change with Base package group: