@Override
	public void setText(String t) {
		if (SystemUtilities.isEqual(getText(), t)) {
			return;
		}
		super.setText(t);
		update();
	}
Returns the default text.  This is useful to know what the original text is after the user
has edited the text.
@return the default text
Ghidra/Framework/Docking/src/main/java/docking/widgets/textfield/GFormattedTextField.java