[FEATURE] Address search request timeouts correctly.

[sbcd90]

Is your feature request related to a problem?
Today in our code, we handle SearchRequest timeouts like this,

if (response.isTimedOut()) {
                                            onFailures(new OpenSearchStatusException(String.format(Locale.getDefault(), "Log Type with id %s cannot be updated", logTypeId), RestStatus.INTERNAL_SERVER_ERROR));
                                            return;

What solution would you like?
@lezzago comment

Does this happen often enough? If we are specifically looking for this, we should mention it timed out in the exception. Also this should not be an internal server error since this should be a a transient error that the customer can retry.

What alternatives have you considered?
A clear and concise description of any alternative solutions or features you've considered.

Do you have any additional context?
Add any other context or screenshots about the feature request here.

[sbcd90]

address comment: #532 (comment)
address comment: #532 (comment)