@Override
	public String toString() {
		return "Ungroup All Group Vertices Job";
	}
A dummy job that is designed to simply call the {@link FGController#ungroupAllVertices()}.  
We use this job to know when the previous job is finished.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/util/job/UngroupAllVertexFunctionGraphJob.java