fix: checks for user before accessing properties in preferences update operation(#3844)

packages/payload/src/preferences/operations/update.ts

@@ -14,6 +14,10 @@ async function update(args: PreferenceUpdateRequest) {
     value,
   } = args
 
+  if (!user) {
+    throw new UnauthorizedError(req.t)
+  }
+
   const collection = 'payload-preferences'
 
   const filter = {
@@ -31,10 +35,6 @@ async function update(args: PreferenceUpdateRequest) {
     value,
   }
 
-  if (!user) {
-    throw new UnauthorizedError(req.t)
-  }
-
   if (!overrideAccess) {
     await executeAccess({ req }, defaultAccess)
   }