Try to fix name clash in emacs 29

This work around is taken from dalanicolai's comment on #15505.
It tries to circumvent a name clash between the emacs package
"restart-emacs" and emacs 29 which introduced a function called
"restart-emacs".

The workaround is to load the package after the emacs file
module has been loaded.

layers/+spacemacs/spacemacs-navigation/packages.el

@@ -368,6 +368,7 @@
 (defun spacemacs-navigation/init-restart-emacs ()
   (use-package restart-emacs
     :defer t
+    :after files
     :init
     (spacemacs/set-leader-keys
       "qd" 'spacemacs/restart-emacs-debug-init