ci/flake: `Typing in the search field shows relevant suggestions` disabled

Created by: valerybugakov

Test

Typing in the search field shows relevant suggestions

Example failure

https://buildkite.com/sourcegraph/sourcegraph/builds/165888#01827d2d-466a-42dd-a95d-ec8f67e3b819

Disabling PR

https://github.com/sourcegraph/sourcegraph/pull/40083

Additional details

No response