I have also commented on this here:
NodeBB/nodebb-theme-lavender#31psychobunny created this issue in NodeBB/nodebb-theme-lavender closed Category view improvements #31
When we're admin, it would be cool to have ability to edit a post even if the topic is closed. It's a little bit annoying to have to unlock, edit and lock again.
Yes the button is missing :
Thank you very much for your speed!
But for a better understanding would it not be better to re-add the "locked" button next to the move button?