fix create techstack form

src/app/admin/project/techStack/_components/CreateUpdateForm.tsx

@@ -31,7 +31,7 @@ export default function CreateUpdateStackForm(params: { className?: string, enti
   const deleteMutation = trpc.techStack.delete.useMutation({ onSuccess: makeOnSuccess('delete', form, undefined, path, router) })
   function onSubmit(values: z.infer<typeof schemas.insert>) {
     setSubmitted(true)
-    params.entity ?
+    id ?
       updateMutation.mutate(values) :
       createMutation.mutate(values);
   }