Checkmk Werk 11657: Fix "Unable to read current options" error on icon image rulesets

ID: 11657 Title: Fix "Unable to read current options" error on icon image rulesets Component: Multisite Level: 1 Class: Bug fix Version: 2.0.0i2 If you opened a new rule for "Icon image for hosts in status GUI" the error "Unable to read current options of this rule..." was shown. The same behaviour occured in the ruleset "Icon image for services in status GUI". This error is no longer shown any more.