fix(photo-upload): revert uploadUrl to direct NEXT_PUBLIC_API_BASE_URL — proxy caused 502 on mobile

src/components/Componentes/question-photo.tsx

@@ -276,10 +276,7 @@ export function QuestionPhoto({
       question.ui_config?.source ||
       "gallery";
 
-    const uploadUrl =
-      typeof window !== "undefined"
-        ? `${window.location.origin}/api/proxy?__proxyPath=/upload-tmp-media/`
-        : undefined;
+    const uploadUrl = `${process.env.NEXT_PUBLIC_API_BASE_URL ?? ""}/upload-tmp-media/`;
 
     uploadFile({
       requestId: String(question.id),