Checkmk Werk 10874: Notification rules: Fix empty "Notification method" dropdown field

ID: 10874 Title: Notification rules: Fix empty "Notification method" dropdown field Component: WATO Level: 1 Class: Bug fix Version: 1.7.0i1 After choosing a notification plugin a dropdown field appears that can be used to either select notification creation or cancellation. The first choice in the dropdown had an empty text in previous 1.6 releases.