Cancelling sync doesn't revert content to original state

[jayoshih]

Summary

If you cancel a sync task, the content that has been synced before cancelling won't be reverted back to the original state

Category

Select one: BUG

How to reproduce

1. Sync a larger channel
2. Cancel after a few seconds
3. Check node data

Real-life consequences (anything community should be aware of, for instance how it affects end users)

Unwanted overwriting could happen

[khangmach]

in the interim, if we have extra design bandwidth lets aim to give the user feedback on what got synced when

• the sync job finishes
• the sync job is cancelled

[bjester]

You can no longer cancel a sync