Fix builds with --all-features

[rdettai]

Description

https://github.com/quickwit-oss/quickwit/actions/runs/10788267700/job/29918676650

How was this PR tested?

Describe how you tested this PR.

[rdettai]

https://github.com/quickwit-oss/quickwit/actions/runs/10834115241

[rdettai]

https://github.com/quickwit-oss/quickwit/actions/runs/10834274008

[github-actions]

On SSD:

Average search latency is 0.984x that of the reference (lower is better).
Ref run id: 3395, ref commit: d142f59
Link

On GCS:

Average search latency is 1.04x that of the reference (lower is better).
Ref run id: 3396, ref commit: d142f59
Link

[rdettai]

The coverage still fails because the test_single_node_several_splits test was re-activated by #5392 and the sort order of the search result actually changed since the test was written.