Checkmk Werk 15041: Improve Setup search performance

ID: 15041 Title: Improve Setup search performance Component: setup Level: 1 Class: Bug fix Version: 2.2.0i1 The Setup search was slowed down by inefficient permission checks. These checks ensure that only pages which the current user is allowed to see are included in the results. The permissions are now ensured more efficiently. This affected for example the search `groups` in certain scenarios.