Lightspeed: Persist last conversation state and reload on user revisit

[karthikjeeyar]

Fixes

https://issues.redhat.com/browse/RHDHPAI-380

Description

Persist last conversation and reload on user revisit

Screenshots

Unit tests

  useLastOpenedConversation
    ✓ should not be ready when user is undefined (20 ms)
    ✓ should load the lastOpenedId from localStorage when user is provided (4 ms)
    ✓ should handle missing user data in localStorage (3 ms)
    ✓ should update localStorage when setLastOpenedId is called (3 ms)
    ✓ should clear lastOpenedId when clearLastOpenedId is called (2 ms)
    ✓ should not update localStorage if user is undefined (2 ms)
    ✓ should not clear localStorage if user is undefined

✔️ Checklist

• A changeset describing the change and affected packages. (more info)
• Added or Updated documentation
• Tests for new functionality and regression tests for bug fixes
• Screenshots attached (for UI changes)

[rhdh-gh-app]

Changed Packages

Package Name	Package Path	Changeset Bump	Current Version
@red-hat-developer-hub/backstage-plugin-lightspeed	workspaces/lightspeed/plugins/lightspeed	patch	v0.2.4