feat: add support for scheduling a new asset to a playlist

[nicomiguelino]

Description

Modified the Add Asset to Playlist action so that assigning an asset that was just created is supported.

How Has This Been Tested?

• Unit tests
• End-to-end tests

Checklist

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation (where applicable).
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules