5008: Display vectors when no custom vectors where ever provided r=irevoire a=dureuill
# Pull Request
## Related issue
Fixes the issue reported on [Discord](https://discord.com/channels/1006923006964154428/1294653031958446080/1295336784896589967).
## What does this PR do?
- Normal behavior of Meilisearch is to hide `_vectors` even when `retrieveVectors: true` when there is an explicit list of displayed attributes that does not contain vectors
- However, this relied on the field id for the `_vectors` field to exist, which wasn't the case when no `_vectors` was manually provided to documents. This would often be the case for people using autoembedders such as the OpenAI integration.
- This PR fixes the behavior by looking for the `_vectors` string in the `displayedAttributes` when there is no `_vectors` fid.
- This PR also adds a test for this specific situation, that would fail before the PR, and pass after the PR
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
5006: Bring back changes from v1.10.3 r=Kerollmops a=irevoire
# Pull Request
## Related issue
Port the following PR to the latest version: https://github.com/meilisearch/meilisearch/pull/5000
See its description for more information
Co-authored-by: Tamo <tamo@meilisearch.com>
5001: Do not send empty edit document by function r=Kerollmops a=irevoire
# Pull Request
We realized that we had a huge usage of the feature from user who didn’t enable the feature at all. That shouldn’t be possible.
After a big investigation with `@gmourier`
We found the issue, it was in the engine
## What does this PR do?
- Do not send the edit by function event to segment if no event was received during this batch
Co-authored-by: Tamo <tamo@meilisearch.com>
