[Snippets] Move BrgemmCopyB repacking logic outside the Subgraph #11460

Job	Run time
Smart_CI	23s
Docker	1m 13s
Build / Build	11m 13s
Conformance (OP)	9m 26s
OpenVINO JS API	0s
Conformance (API)	2m 21s
dGPU Tests	0s
iGPU Tests	0s
NVIDIA plugin	0s
Debian Packages / Debian Packages	2m 31s
C++ unit tests / C++ unit tests	1m 36s
Samples / Samples	5m 53s
ONNX Models Tests / ONNX Models tests	20m 32s
CPU functional tests / CPU functional tests	19m 45s
ONNX Runtime Integration / ONNX Runtime Integration	6m 28s
Python unit tests / Python unit tests	13m 6s
Pytorch Layer Tests / PyTorch Layer Tests	28m 24s
OpenVINO tokenizers extension / OpenVINO tokenizers extension	3m 45s
TensorFlow Hugging Face Models tests	0s
PyTorch Models Nightly Scope1 tests	0s
TensorFlow TF Hub Models tests	0s
PyTorch Models Nightly Scope2 tests	0s
TensorFlow Layer Tests / TensorFlow Layer Tests	11m 0s
TensorFlow Models tests / TensorFlow Models tests	13m 19s
PyTorch Models tests / PyTorch Models tests	34m 3s
JAX/Flax Models tests / JAX/Flax Models tests	1m 48s
ci/gha_overall_status	1s
	3h 6m 47s

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