private void addRedoAction() {
		GroupHistoryInfo groupInfo = vertex.getGroupInfo();
		regroupAction.setDescription(HTMLUtilities.toHTML(groupInfo.getGroupDescription()));

		genericHeader.actionRemoved(regroupAction);
		genericHeader.actionAdded(regroupAction);
	}
A bit of a hack that triggers the text area to update its preferred height now before we
render so that it doesn't change later.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/vertex/GroupedFunctionGraphComponentPanel.java