chore: fixed fastRun.sh script (#7063)

Author: SamTV12345

bin/fastRun.sh

@@ -19,4 +19,4 @@ cd "${MY_DIR}/.." || exit 1
 echo "Running directly, without checking/installing dependencies"
 
 # run Etherpad main class
-exec node --import tsx src/node/server.ts "$@"
+exec pnpm run prod "$@"