FIX: reduce scope of ExtraLocalesController override

plugin.rb

@@ -191,20 +191,25 @@ after_initialize do
     end
   end
   
-  ## TODO: We shouldn't be overriding the entire method here. Make this more lightweight.
+  module CustomWizardExtraLocalesController
-  add_to_class(:extra_locales_controller, :show) do
+    def show
+      if request.referer && URI(request.referer).path.include?('/w/')
         bundle = params[:bundle]
           
-    unless URI(request.referer).path.include? '/w/'
-      raise Discourse::InvalidAccess.new if bundle !~ /^(admin|wizard)$/ || !current_user&.staff?
-    end
-
         if params[:v]&.size == 32
           hash = ExtraLocalesController.bundle_js_hash(bundle)
-      immutable_for(24.hours) if hash == params[:v]
+          immutable_for(1.year) if hash == params[:v]
         end
 
         render plain: ExtraLocalesController.bundle_js(bundle), content_type: "application/javascript"
+      else
+        super
+      end
+    end
+  end
+  
+  class ::ExtraLocalesController
+    prepend CustomWizardExtraLocalesController
   end
 
   DiscourseEvent.trigger(:custom_wizard_ready)