Fix neotree theme detection

README.org

@@ -2773,7 +2773,7 @@ epkgs.neotree
 #+NAME: emacs-neotree-elisp
 #+BEGIN_SRC emacs-lisp
 ;; Enable all-the-icons font support.
-(setq neo-theme (if (display-graphic-p) 'icons 'arrow))
+(setq neo-theme (if (daemonp) 'icons 'arrow))
 
 ;; Add a key to toggle the window.
 (dotfiles/leader