``` let content = [ [' &A', 'echo 100' ], [' &2', 'echo 200' ], [' &3', 'echo 300' ], [' &4' ], [' &5', 'echo 500' ], ] let opts = {'title': 'select one'} call quickui#listbox#open(content, opts) ``` press A will not work. and can user use <c-a> <m-a> as hotkeys?