[SYCL][host_task] Align host_task event submission clock with start/end clock

[Nuullll]

The submission time for host_task events was previously obtained using std::chrono::steady_clock, while the command start and end times were derived from high_resolution_clock. This discrepancy in clock epochs led to meaningless duration calculations when users used submission time as a reference.

This update standardizes the clock source by switching the submission time to use high_resolution_clock, ensuring consistent and meaningful timing results for host_task events.

Note: steady_clock is not related to wall clock. See https://en.cppreference.com/w/cpp/chrono/steady_clock

[Nuullll]

The updated test would fail without this change:

# executed command: env ONEAPI_DEVICE_SELECTOR=opencl:cpu /export/users/yilonggu/ws/intel-llvm/build/tools/sycl/test-e2e/Basic/Output/profile_host_task.cpp.tmp.out
# .---command stderr------------
# | Invalid latency between command_submit and command_start: 1731374010026546613 ns
# `-----------------------------
# error: command failed with exit status: 1

[aelovikov-intel]

host tasks need to be reviewed by @KseniyaTikhomirova

[KseniyaTikhomirova]

LGTM

[Nuullll]

@intel/llvm-gatekeepers this is ready to merge, thanks!