[CPU][Ref] Fix Reduce ops to produce stable (zero val) output for empty input #10799

Job	Run time
Smart_CI	21s
Docker	1m 7s
Build / Build	11m 58s
Conformance (OP)	8m 48s
Conformance (API)	2m 0s
NVIDIA plugin	2m 54s
dGPU Tests	0s
iGPU Tests	0s
Debian Packages / Debian Packages	2m 11s
Samples / Samples	5m 57s
OpenVINO JS API / OpenVINO JS API	2m 2s
ONNX Runtime Integration / ONNX Runtime Integration	6m 19s
CPU functional tests / CPU functional tests	19m 13s
C++ unit tests / C++ unit tests	17m 29s
ONNX Models Tests / ONNX Models tests	19m 30s
Python unit tests / Python unit tests	8m 23s
Pytorch Layer Tests / PyTorch Layer Tests	26m 30s
OpenVINO tokenizers extension / OpenVINO tokenizers extension	3m 52s
TensorFlow TF Hub Models tests	0s
PyTorch Models Nightly Scope1 tests	0s
TensorFlow Hugging Face Models tests	0s
PyTorch Models Nightly Scope2 tests	0s
TensorFlow Layer Tests / TensorFlow Layer Tests	9m 30s
JAX/Flax Models tests / JAX/Flax Models tests	2m 0s
TensorFlow Models tests / TensorFlow Models tests	11m 14s
PyTorch Models tests / PyTorch Models tests	32m 26s
ci/gha_overall_status	1s
	3h 13m 45s

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