Description

See the relevant TODO tagged with this task's ID in src/fetchObject.js.

Notionally, it's unnecesary to await this Promise, but not awaiting it makes things hard to test and is possibly causing memory issues by delaying garbage collection (unawaited Promises can hang around in a deprioritized part of the garbage collector).

Desired behavior/Acceptance criteria (returned value, expected error, performance expectations, etc.)

• don't await the Promise, but DO thoroughly test it and ensure it doesn't cause memory leaks

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Completion checklist

• Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist