@Override
	// overridden to account for the fact that "special" DockableActions can be either
	// toggle buttons or regular non-toggle buttons, which dictates whether this
	// button is selected (non-toggle buttons are not selectable).
	protected boolean isButtonSelected() {
		if (dockingAction instanceof ToggleDockingAction) {
			return ((ToggleDockingAction) dockingAction).isSelected();
		}
		return false;
	}
Toolbar buttons for Dialogs.

<p>This class exists because dialog actions are not added to the regular tool's toolbars.  This
means that we have to create the dialog's toolbars outside of the tool.  Thus, this class
mimics how the tool's toolbar buttons are created.
Ghidra/Framework/Docking/src/main/java/docking/menu/DialogToolbarButton.java