Fix latest LaunchPlan details shown in LaunchPlan view

[pablocasares]

Tracking issue

https://github.com/flyteorg/flyte/issues/5271

Why are the changes needed?

These changes are needed to fetch the latest LaunchPlan in the LaunchPlan details view

Type

• [x] Bug Fix
• [ ] Feature
• [ ] Plugin

Are all requirements met?

• [ ] Code completed
• [ ] Smoke tested
• [ ] Unit tests added
• [ ] Code documentation added
• [ ] Any pending items have an associated Issue

Complete description

How did you fix the bug, make the feature etc. Link to any design docs etc

Tracking Issue

Remove the 'fixes' keyword if there will be multiple PRs to fix the linked issue

fixes https://github.com/flyteorg/flyte/issues/

Follow-up issue

https://github.com/flyteorg/flyte/issues/5271

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