Fix syntax error in utils-module.sh

Fixed a syntax error on line 134 in utils-module.sh that was causing installation to fail when setting up with a remote Transmission server.

💡 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

modules/utils-module.sh

@@ -131,7 +131,7 @@ function ensure_npm_packages() {
       log "ERROR" "Failed to copy package.json to installation directory"
       return 1
     }
-  }
+  fi
   
   # Install NPM packages if not already installed or if it's an update
   if [ ! -d "$install_dir/node_modules" ] || [ "$IS_UPDATE" = "true" ]; then