Checkmk Werk 13672: Fix possible KeyError on ruleset page with predifined conditions

ID: 13672 Title: Fix possible KeyError on ruleset page with predifined conditions Component: Setup Level: 1 Class: Bug fix Version: 2.2.0i1 If a user views a ruleset page with rules containing predefined conditions the user is not permitted for, a KeyError occurs. The ruleset page will now show correctly such rules. If a user with no permission for the used predefined condition edits such rule, the predefined condition field will show a corresponding message that the user has no permission for the choosen predefined condition.