refactor(vertico): +vertico-consult-fd-args

Initialize as nil with a defvar, and only change the value if the user
hasn't set it themselves.

modules/completion/vertico/config.el

@@ -7,6 +7,8 @@ The completion/vertico module uses the orderless completion style by default,
 but this returns too broad a candidate set for company completion. This variable
 overrides `completion-styles' during company completion sessions.")
 
+(defvar +vertico-consult-fd-args nil
+  "Shell command and arguments the vertico module uses for fd.")
 
 ;;
 ;;; Packages
@@ -99,13 +101,13 @@ overrides `completion-styles' during company completion sessions.")
         consult-async-refresh-delay  0.15
         consult-async-input-throttle 0.2
         consult-async-input-debounce 0.1)
-
+  (unless +vertico-consult-fd-args
     (setq +vertico-consult-fd-args
           (if doom-projectile-fd-binary
               (format "%s --color=never -i -H -E .git --regex %s"
                       doom-projectile-fd-binary
                       (if IS-WINDOWS "--path-separator=/" ""))
-          consult-find-args))
+            consult-find-args)))
 
   (consult-customize
    consult-ripgrep consult-git-grep consult-grep