fix(NcListItem): Do not use a as wrapper to prevent invalid HTML due to use of button within anchor

Co-authored-by: Ferdinand Thiessen <opensource@fthiessen.de>
Co-authored-by: Grigorii K. Shartsev <me@shgk.me>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

Author: susnux