Incorrect index in zeEventCreate() in GivenConcurrentLogicalCommandQueuesWhenStartSynchronizedThenHighPriorityCompletesFirst

[Alexandr-Konovalov]

ze_event_desc_t::index in

        event_desc.index = index++;
        auto event_compute_low = lzt::create_event(ep_time, event_desc);
        event_compute_lows.push_back(event_compute_low);

should be initialized by pre-increment, as currently 1st element of event_compute_lows and event_compute_high is same event, because they created using same index.