Fix Docker provider search dependencies

Dockerfile

@@ -22,8 +22,8 @@ RUN apt-get update \
 
 RUN mkdir -p /app
 
-COPY package.json /app/
-RUN cd /app && npm install --omit=dev
+COPY package.json package-lock.json /app/
+RUN cd /app && npm ci --omit=dev
 
 COPY app.py app_support.py config_page.py http_handler.py provider_bridge.py provider_downloader.py queue_jobs.py queue_page.py search_page.py template_helpers.py title_matching.py watchlist_identity.py watchlist_page.py web_templates.py VERSION CHANGELOG.md favicon.png /app/
 COPY providers /app/providers