@Override
	void dispose() {
		removeAll();
		setVertexMostRecentAction.dispose();
		groupVertex = null;
		super.dispose();
	}
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