@Override
	public void close() {
		TaskMonitorComponent monitor = getTaskMonitorComponent();
		if (monitor != null) {
			monitor.cancel();
		}
		clearAll();
		super.close();
	}
Popup up the dialog in the center of the tool.
@param nav the Navigatable
@param addr the address
@param tool the PluginTool
Ghidra/Features/Base/src/main/java/ghidra/app/util/navigation/GoToAddressLabelDialog.java