Match upstream Flood runtime while keeping torrent service separate

tests/startup.cjs

@@ -4,7 +4,7 @@ const fs = require('node:fs');
 const os = require('node:os');
 const path = require('node:path');
 const runDir = fs.mkdtempSync(path.join(os.tmpdir(), 'flood-smoke-'));
-const child = spawn('npm', ['run', 'start:development:server', '--',
+const child = spawn('npm', ['run', 'start', '--',
   '--host=127.0.0.1', '--port=3000', `--rundir=${runDir}`],
   {stdio: 'inherit', detached: true});
 let startupError;