private void itemSelected(DockingActionIf action) {
		// sets the global mouse over action, so that the tool's help action (F1) and 
		// setKeybinding action (F4) work on the currently selected action in the dialog
		DockingWindowManager.setMouseOverAction(action);
		setOkEnabled(canPerformAction(action));
	}
Sets the {@link ActionDisplayLevel} for the dialog which determines which actions to display
@param level the action display level to use.
Ghidra/Framework/Docking/src/main/java/docking/actions/dialog/ActionChooserDialog.java