I think the double enter would be helpful.
Do you see it only outdenting the line when the cursor is at the beginning. I assume not, but just double checking since one of the nice things about shift Tab is that it works regardless of where the cursor is within the line. If the double enter did that, I’d be doubly for it.
Now we just have to get indenting hotkey to work regardless of cursor location. Please forgive me for linking. Even though my linked request talks shift Tab, I am totally on board with the double enter for the very fact that you are already on the enter key half the time as explained in request: Hotkey to Indent Entire Line Regardless of Cursor Position
Thanks.