public void show(Navigatable nav, Address addr, PluginTool tool) {
		this.navigatable = nav;
		currentAddress = addr;
		clearStatusText();
		GoToOverrideService override = goToService.getOverrideService();
		if (override != null) {
			JComponent comp = override.getOverrideComponent();
			if (comp != null) {
				mainPanel.add(comp, BorderLayout.SOUTH);
			}
		}
		setDialogEnabled(true);
		tool.showDialog(this);
	}
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