[CPU][Ref] Support Reduce ops with empty input #13443

Job	Run time
Smart_CI	22s
Docker	1m 0s
Build / Build	33m 32s
Conformance (OP)	9m 22s
NVIDIA plugin	4m 24s
Conformance (API)	2m 6s
dGPU Tests	0s
iGPU Tests	0s
Debian Packages / Debian Packages	1m 37s
OpenVINO JS API / OpenVINO JS API	1m 34s
C++ unit tests / C++ unit tests	13m 48s
Samples / Samples	4m 22s
CPU functional tests / CPU functional tests	21m 37s
ONNX Models Tests / ONNX Models tests	19m 49s
ONNX Runtime Integration / ONNX Runtime Integration	6m 33s
OpenVINO tokenizers extension / OpenVINO tokenizers extension	2m 39s
Python unit tests / Python unit tests	14m 8s
Pytorch Layer Tests / PyTorch Layer Tests	16m 1s
TensorFlow Hugging Face Models tests	0s
TensorFlow TF Hub Models tests	0s
PyTorch Models Nightly Scope2 tests	0s
PyTorch Models Nightly Scope1 tests	0s
TensorFlow Layer Tests / TensorFlow Layer Tests	6m 46s
TensorFlow Models tests / TensorFlow Models tests	13m 22s
JAX/Flax Models tests / JAX/Flax Models tests	1m 56s
PyTorch Models tests / PyTorch Models tests	32m 20s
ci/gha_overall_status	1s
	3h 27m 19s

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