Keyboard shortcut to join current bullet with next sibling

A lot of times when I paste text into WorkFlowy (e.g. from an email or PDF) the text will be split over multiple bullets where lines were wrapped in the source. This reminds me of a great shortcut in Atom that I use a lot: command+J (on Mac) joins the line the cursor is on with the next one, adding a space between words if necessary. Pressing it repeatedly quickly reflows the text to a single line. How do you feel about having something similar in WorkFlowy?