[Snippets] Registers' assignment optimization #14647

Job	Run time
Smart_CI	22s
Build / Build	38m 54s
Python unit tests	10m 14s
JS API	0s
Samples	10m 3s
OpenVINO Python API Tests (3.9)	5m 7s
OpenVINO Python API Tests (3.10)	4m 45s
CPU functional tests	36m 42s
OpenVINO Python API Tests (3.11)	4m 16s
OpenVINO Python API Tests (3.12)	4m 46s
OpenVINO tokenizers extension / OpenVINO tokenizers extension	9m 11s
C++ unit tests / C++ unit tests	1m 28s
JAX Layer Tests / JAX Layer Tests	6m 38s
Pytorch Layer Tests / PyTorch Layer Tests	29m 33s
TensorFlow Layer Tests / TensorFlow Layer Tests	34m 51s
ci/gha_overall_status_windows	1s
	3h 16m 51s

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