fix(desktop): allow fs-ext in generated projects

apps/desktop/src/project-manager.ts

@@ -130,7 +130,7 @@ function workspaceFile(overrides: Readonly<Record<string, string>> = {}): string
   const coreBuildKey = coreBuildSpec === undefined
     ? CORE_BUILD_PACKAGE
     : `${CORE_BUILD_PACKAGE}@${coreBuildSpec.replace('file:./', 'file:')}`
-  return `packages:\n  - .\n\n${overrideSection}${WORKSPACE_SETTINGS}allowBuilds:\n  node-pty: true\n  koffi: true\n  ${JSON.stringify(coreBuildKey)}: true\n  '@google/genai': false\n  protobufjs: false\n  node-addon-require-builtin: false\n`
+  return `packages:\n  - .\n\n${overrideSection}${WORKSPACE_SETTINGS}allowBuilds:\n  node-pty: true\n  koffi: true\n  fs-ext: true\n  ${JSON.stringify(coreBuildKey)}: true\n  '@google/genai': false\n  protobufjs: false\n  node-addon-require-builtin: false\n`
 }
 
 function releaseFile(projectDir: string): DesktopRelease {