chore: consolidate local integration changes

userfront/Dockerfile

@@ -18,7 +18,7 @@ COPY . .
 RUN /bin/sh ./scripts/sync_userfront_locales.sh
 WORKDIR /app/userfront
 RUN flutter pub get
-RUN flutter build web --release --wasm
+RUN rm -rf build/web && flutter build web --release --wasm
 
 FROM node:24-alpine AS optimize
 WORKDIR /work