3067: Fix task details serialization r=Kerollmops a=ManyTheFish
# Pull Request
- document addition task details always contain the field `indexedDocuments`
- value is set to `null` when the task is enqueued or processing
- value is set to `0` when the task is canceled or failed
- the field `deletedDocuments` of the document deletion task details is set to `0` when the task is canceled or failed
- the field `deletedDocuments` of the document clearAll task details is set to `0` when the task is canceled or failed
- the field `deletedTasks` of the task deletion task details is set to `0` when the task is canceled or failed
- the field `canceledTasks` of the task cancelation task details is set to `0` when the task is canceled or failed
## Related issue
Fixes#3057Fixes#3058
Co-authored-by: ManyTheFish <many@meilisearch.com>
3068: Prepend question mark to the `originalFilters` of the task deletion and cancelation r=irevoire a=Kerollmops
This pull request fixes#3064 by prepending [the HTTP query question mark](https://en.wikipedia.org/wiki/Question_mark#Computing) to the `originalFilters` of the task deletion and cancelation.
Co-authored-by: Kerollmops <clement@meilisearch.com>
And make index_not_found error asynchronous, since we can't know
whether the index will exist by the time the index swap task is
processed.
Improve the index-swap test to verify that future tasks are not swapped
and to test the new error messages that were introduced.
