Fix reviews query and NaN handling

src/components/reviews/ReviewForm.tsx

@@ -189,7 +189,8 @@ export function ReviewForm({
           {entityType === 'ride' && <div className="space-y-2">
               <Label htmlFor="wait_time">Wait Time (minutes)</Label>
               <Input id="wait_time" type="number" min="0" placeholder="How long did you wait?" {...register('wait_time_minutes', {
-            valueAsNumber: true
+            valueAsNumber: true,
+            setValueAs: (v) => v === '' || isNaN(v) ? undefined : v
           })} />
             </div>}