Description of problem:

Publish too slow when using a simple exclude filter.

CV with following repositories:

   Red Hat Enterprise Linux 8 for x86_64 - AppStream RPMs 8

   Red Hat Enterprise Linux 8 for x86_64 - BaseOS RPMs 8

And the filter:

1. hammer content-view filter info --id 1
   Filter ID:    1
   Name:         First
   Type:         erratum
   Inclusion:    false
   Description:  
   Repositories:

Rules:        
 1) Id:         1
    Start Date: 2023-01-01T12:00:00.000Z
    End Date:   2023-07-16T12:00:00.000Z
    Types:      security, enhancement, bugfix
    Created:    2023/07/16 08:30:45
    Updated:    2023/07/16 08:31:07

And the publish task took more than an hour to complete.

========
Id:3f8724e6-7a8a-44b6-8b82-c924eeb37ee5
Label:Actions::Katello::ContentView::Publish
Duration:1 hour
========

I think it is taking too much time to complete "Actions::Katello::Repository::IndexContent" task.