Bug 42248 - Undo-redo support on Test Plan tree modification
Update icons state on redo/undo
Oups missed 1 class
Bugzilla Id: 42248

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1622947 13f79535-47bb-0310-9956-ffa450edef68