[NPU] Remove template in ext wrapper and fuse functions #36630

Job	Run time
Smart_CI	21s
Docker	54s
Build / Build	8m 2s
Debian Packages	0s
ONNX Runtime Integration	0s
OpenVINO JS API	0s
Samples	0s
CPU functional tests	0s
OpenVINO tokenizers extension	0s
PyTorch Models tests	0s
Python unit tests / Python unit tests	2m 41s
Pytorch Layer Tests / PyTorch Layer Tests	3m 3s
C++ unit tests / C++ unit tests	45s
TensorFlow Layer Tests	0s
TensorFlow Models tests	0s
ci/gha_overall_status_linux_arm64	1s
	15m 47s

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