message: Fluid-Build: don't warn about symlink if node_modules is not installed for the monorepo
diff: @@ -127,6 +127,15 @@ export async function symlinkPackage(repo: FluidRepo, pkg: Package, buildPackage
  let changed = 0;
  const monoRepo = repo.getMonoRepo(pkg);
  const monoRepoNodeModulePath = repo.getMonoRepoNodeModulePath(monoRepo);
  +
  + if (monoRepoNodeModulePath && !existsSync(monoRepoNodeModulePath)) {
  + // If the node_modules isn't install at all, just don't check
  + if (options.symlink) {
  + console.warn(`${pkg.nameColored}: node_modules not installed. Can't fix symlink.`)
  + }
  + return 0;
  + }
  +
  for (const { name: dep, version } of pkg.combinedDependencies) {
  const depBuildPackage = buildPackages.get(dep);
  // Check and fix link if it is a known package and version satisfy the version.
  