The current key binding shadows many other built-in modes and packages, not just Dired. It is far too intrusive. We better go back to default.
Since `C-o` is replaced with evil-execute-in-normal-state.
Add open-line command to "SPC j" group: open-line breaks the current line into two lines without moving the cursor down. It's different from `o` in Vim. Use C-o to enter evil-execute-in-normal-state.
better-defaults