@Override
	public void dispose() {
		if (currentProgram != null) {
			currentProgram.removeListener(this);
		}
		if (provider != null) {
			provider.dispose();
		}
		super.dispose();
	}
Returns the function whose features are in displayed in the table
@return current function
Ghidra/Features/BSimFeatureVisualizer/src/main/java/ghidra/bsfv/BSimFeatureVisualizerPlugin.java