Can we restrict employee authored videos and content from being displayed in catalog search?

Summary:

Learning Admin/Community managers when adding courses to Community catalog can see self authored learning items, self published videos, self created communities in the search page. (in addition to the catalog courses, communities etc) There is no filter option here.

Is it possible to restrict these from appearing here?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):