Checkmk Werk 10039: Fix folding of rule condition containers

ID: 10039 Title: Fix folding of rule condition containers Component: WATO Level: 1 Class: Bug fix Version: 1.7.0i1 Since the explicit / predefined condition toggle was introduced, there were some glitches in the foldable container mechanism of the rules conditions. This problem has now been solved and on the way the toggling mechanism of the foldable container has been simplified.