enh: show login error in child page

[huany172-roche]

Description

• Multiple enhancements and fixes for frontend:
  • show login error in child page
  • fix indexeddb store issue
  • add fetch from cache first utility function
  • fix csv renderer
  • fix encode folder path in url
  • add placeholder components

Checklist

General

• Added a PR description.
• Obtained a 👍 from at least one developer/reviewer/code-owner.

Tests if applicable

• Ran end-to-end testing job(s) and verified changes in results.
  • No changes expected.
  • Changes expected.
• Updated unit test data and expected_results.

Documentation if applicable

• Added any relevant supporting documentation, such as slide presentation, Confluence links, or PDFs.
• Frequent Use Cases and Examples.