os/macos: activate ns-auto-titlebar-mode later
os/macos: activate ns-auto-titlebar-mode later

If triggered too early, it may read the wrong frame background mode and
you'll get dark text on a dark titlebar in MacOS dark mode (or light
text on a light titlebar in light mode).

hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs