"while in your quick list
:cdo s/your-search-term/thing-to-replace-with/g

"go to quick list after changes
:wa <CR>

If you’re ever having issues with neovim, it might help to clear out the cache. I recently was running into issues after switching from packer for my dependency management to lazy and there was a sneaky little devil 😈 in the cache directory causing issues.

You can view the cache directory here: $HOME/.cache/nvim/.