undo removal of permission configuration for bulk export tmp dir

apps/app/docker/docker-entrypoint.sh

@@ -10,4 +10,9 @@ fi
 chown -R node:node /data/uploads
 chown -h node:node ./public/uploads
 
+# Set permissions for shared directory for bulk export
+mkdir -p /tmp/page-bulk-export
+chown -R node:node /tmp/page-bulk-export
+chmod 700 /tmp/page-bulk-export
+
 exec gosu node /bin/bash -c "$@"