private void maybeUpdateDisplayContents(String userText) {
		if (SystemUtilities.isEqual(userText, pendingTextUpdate)) {
			return;
		}
		updateDisplayContents(userText);
	}
Overridden to allow for the setting of text without showing the completion window.  This
is useful for setting the current value to be edited before the using initiates editing.

@param text The text to set on this text field.
Ghidra/Framework/Docking/src/main/java/docking/widgets/DropDownTextField.java