Description of problem:

Navigating to Satellite WebUI -> Infrastructure -> Capsules page displays below error for couple of seconds.

Pulp plugin missing for synchronizable content types: .
Repositories containing these content types will not be synced.

Version-Release number of selected component (if applicable): satellite-6.13.0-4.el8sat.noarch

How reproducible: Always

Steps to Reproduce:

1. Navigate to Satellite WebUI -> Infrastructure -> Capsules page.

2. Click on the name of External Capsule.

3. User is redirected to 'Overview' page of that specific Capsule.

4. Keep an eye on the message displayed within 'Content Sync' on the top right.

Actual results:

Below error message is displayed for couple of seconds:

Pulp plugin missing for synchronizable content types: .
Repositories containing these content types will not be synced.

After couple of seconds, the error message is replaced by right content.

1 environment(s) can be synchronized: Library
Last sync: 2023-02-13 20:44:14 +0530

Expected results:

The mentioned error message should not be displayed even for couple of seconds and right content should be displayed.

Additional info: This issue is observed even for Satellite 6.12.