fix(vertico): prefix-help-command

- move the setq to the embark use-package where it belongs
- also set which-key-use-C-h-commands to nil, otherwise sometimes
  which-key will override the prefix-help-command setting

modules/completion/vertico/config.el

@@ -82,7 +82,6 @@ overrides `completion-styles' during company completion sessions.")
     [remap persp-switch-to-buffer]        #'+vertico/switch-workspace-buffer)
   (advice-add #'completing-read-multiple :override #'consult-completing-read-multiple)
   (advice-add #'multi-occur :override #'consult-multi-occur)
-  (setq prefix-help-command #'embark-prefix-help-command)
   :config
   (setq consult-project-root-function #'doom-project-root
         consult-narrow-key "<"
@@ -134,6 +133,8 @@ overrides `completion-styles' during company completion sessions.")
 (use-package! embark
   :defer t
   :init
+  (setq which-key-use-C-h-commands nil
+        prefix-help-command #'embark-prefix-help-command)
   (map! [remap describe-bindings] #'embark-bindings
         "C-;"               #'embark-act  ; to be moved to :config default if accepted
         (:map minibuffer-local-map