Bug/CLARK-CLIENT-1C/fix-undefined-abvName-error

[sentry]

This PR addresses the TypeError: Cannot read properties of undefined (reading 'abvName') (CLARK-CLIENT-1C) that occurs when a user profile page is visited for a user with no released or unreleased collections.

The root cause was identified as unconditional access to collectionsReleased[0].abvName and collectionsUnreleased[0].abvName in both profile-learning-objects.component.ts and profile-learning-objects.component.html.

The fix involves adding length checks (collectionsReleased.length or collectionsUnreleased.length) before attempting to access the first element of these arrays. This ensures that the content function is only called with a valid abvName when collections actually exist, preventing the TypeError.

Fixes CLARK-CLIENT-1C

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