test(frontend): cover SavedViewsPanel retry after list failure

[utksh1]

Summary

Add a component test for a failed saved-view fetch followed by retry and successful recovery.

Scope

• Suggested file: frontend/src/components/SavedViewsPanel.tsx
• Add or extend a focused frontend unit test.
• Do not bundle unrelated visual or production changes.

Acceptance criteria

• The behavior is covered with a deterministic test.
• The user-visible or accessibility outcome is asserted.
• Existing tests remain stable.
• The focused frontend test passes.

Verification

Run the affected Vitest file from frontend/.

[Sneha-Anand1910]

Hi @utksh1, I'd like to work on this issue under GSSoC '26. Could you please assign it to me?