@Override
	void refreshModel() {
		Set<FGVertex> vertices = groupVertex.getVertices();
		for (FGVertex v : vertices) {
			v.refreshModel();
		}
	}
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