@Override
	public void dispose() {
		super.dispose();
		if (fieldLayoutManager != null) {
			fieldPanel.setLayout(null);
			fieldLayoutManager.unregister();
			removeLayoutListeners(fieldLayoutManager);
		}
	}
Get the address at which this action was invoked

@return the current address
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/assembler/AbstractPatchAction.java