feat(next/error): Add retry(), componentStack, and ownerStack to error.js

[calaespi]

This PR implements the missing retry(), componentStack, and ownerStack props in the App Router's error.js component, enabling better error recovery and debugging capabilities.

Changes:

• Modified packages/next/src/client/components/error-boundary.tsx to:
  • Expose retry method using startTransition and router.refresh().
  • Capture and pass componentStack and ownerStack from componentDidCatch.
• Added Comprehensive E2E Test (test/e2e/app-dir/error-retry):
  • Verifies error recovery mechanism using retry().
  • Ensures componentStack is accessible in the error component.
  • Validates functionality in both development and production builds.

Verification:

• pnpm test-dev-turbo test/e2e/app-dir/error-retry (Passed)
• pnpm test-start-turbo test/e2e/app-dir/error-retry (Passed)

[nextjs-bot]

Allow CI Workflow Run

• approve CI run for commit: 4ea4b79

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

[nextjs-bot]

Allow CI Workflow Run

• approve CI run for commit: 6969cbe

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

[vercel]

Additional Suggestion:

Stale componentStack and ownerStack from a previous error persist in state and are displayed with a new error due to incomplete state clearing in the error boundary.