[jboss-jira] [JBoss JIRA] (DROOLS-4415) Cell placeholder disappear in some cases

Cell placeholder disappear in some cases ---------------------------------------- Key: DROOLS-4415 URL: https://issues.jboss.org/browse/DROOLS-4415 Project: Drools Issue Type: Bug Reporter: Yeser Amer Assignee: Yeser Amer Priority: Minor Steps to reproduce it: - Create a new ScenarioSimulation - Insert 5/6 additional columns (randomly, not in the same position) - Assign a instance and a property in one of the first columns -> Some cells of the row are empty, without the placeholder (typically you can find "Define valid type"). It don't reproduce in all cases.