Fix missing script (https://cdn.decentraland.org/undefined/...)

[m3taphysics]

Description

Rollbar is throwing errors consistently regarding a missing script: https://app.rollbar.com/a/decentraland/fix/item/world-desktop/2489

Deliverables

• [x] Error is fixed

[m3taphysics]

Cannot currently release - @2fd is looking into how we can release a new launcher