@Override
	protected void okCallback() {
		if (isMultiSelectionEnabled()) {
			okCallbackForMultipleSelectionMode();
		}
		else {
			okCallbackForSingleSelectionMode();
		}
	}
Returns true if the user clicked the "cancel" button on the file chooser.
@return true if the user clicked the "cancel" button on the file chooser
Ghidra/Framework/Docking/src/main/java/docking/widgets/filechooser/GhidraFileChooser.java