Add canonical order queries

[mpkorstanje]

🤔 What's changed?

Adds

• findAllTestCaseStartedOrderBy
• findAllTestCaseFinishedOrderBy

⚡️ What's your motivation?

To provide consistent results while executing in parallel, the Cucumber JSON, Teamcity, Pretty, and Rerun formatters all prints results in canonical order. This results in quite some duplication. By providing a function to order the elements by and an ordering, we can remove this duplication while also remaining flexible as to what is ordered. I.e:

    public <T> List<TestCaseStarted> findAllTestCaseStartedOrderBy(BiFunction<Query, TestCaseStarted, Optional<T>> findOrderBy, Comparator<T> order) {
        return findAllTestCaseStarted().stream()
                .map(testCaseStarted -> findOrderBy.apply(this, testCaseStarted)
                        .map(orderBy -> new OrderableMessage<>(testCaseStarted, orderBy))
                        .orElseGet(() -> new OrderableMessage<>(testCaseStarted)))
                .sorted(Comparator.comparing(OrderableMessage::getOrderBy, order))
                .map(OrderableMessage::getMessage)
                .collect(toList());
    }

Then this can be used as:

query.findAllTestCaseStartedOrderBy(
                        Query::findPickleBy,
                        Comparator.nullsFirst(new PickleComparator())
                )

🏷️ What kind of change is this?

• ⚡ New feature (non-breaking change which adds new behaviour)

📋 Checklist:

• I agree to respect and uphold the Cucumber Community Code of Conduct
• I've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• Users should know about my change
  • I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.