Apply the owner's keyboard layout once before persisting the input choice

A quattro merge kept a second apply_keyboard after the retry loop, which
re-ran loadkeys and firstboot, ignored their failure, and overwrote the
XKB layout setup supplies for keymaps kbd-model-map lacks.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

bin/omarchy-provision-owner

@@ -616,7 +616,6 @@ keyboard_form() {
     confirm_reboot && exec systemctl reboot
   done
 
-  apply_keyboard "$keyboard"
   omarchy_persist_input_selection
 }