@Override
	public boolean hasMarks() {
		return !sources.isEmpty() || !sinks.isEmpty() || !gates.isEmpty();
	}
For the label table it doesn't matter which are active or inactive. We want
to see all of them and the button should be active when we have any in these
sets.
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/plugin/core/decompiler/taint/AbstractTaintState.java