Fix invites form path (#5861)

app/controllers/admin/invites_controller.rb

@@ -29,5 +29,11 @@ module Admin
       @invite.expire!
       redirect_to admin_invites_path
     end
+
+    private
+
+    def resource_params
+      params.require(:invite).permit(:max_uses, :expires_in)
+    end
   end
 end

app/views/invites/_form.html.haml

@@ -1,4 +1,4 @@
-= simple_form_for(@invite) do |f|
+= simple_form_for(@invite, url: controller.is_a?(Admin::InvitesController) ? admin_invites_path : invites_path) do |f|
   = render 'shared/error_messages', object: @invite
 
   .fields-group