private static String nonNull(String s) {
		if (s == null) {
			return "items";
		}
		return s;
	}
Show a number input dialog
@param title The title of the dialog
@param prompt the prompt to display before the number input field
@param initialValue the default value to display, null will leave the field blank
@param min the minimum allowed value of the field
@param max the maximum allowed value of the field
@param showAsHex if true, the initial value will be displayed as hex
Ghidra/Framework/Docking/src/main/java/docking/widgets/dialogs/AbstractNumberInputDialog.java