added code difference in `app/views/search/_category.html.haml` from EE to CE

What does this MR do?

Code differences in the file app/views/search/_category.html.haml are incorporated into CE with this MR. This MR fixes the issue #11039.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Merge request performance guidelines
• Style guides

Performance and testing

there is no risk to performance and browser support.

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers