[GPU] Define to_type in jitter for reorder to support INT4 #16011

Job	Run time
Smart_CI	18s
Build / Build	38m 55s
Python unit tests	8m 16s
JS API	0s
OpenVINO tokenizers extension	0s
Samples	0s
CPU functional tests	0s
OpenVINO Python API Tests	0s
C++ unit tests / C++ unit tests	57s
JAX Layer Tests / JAX Layer Tests	5m 5s
Pytorch Layer Tests / PyTorch Layer Tests	8m 32s
TensorFlow Layer Tests	0s
ci/gha_overall_status_windows	1s
	1h 2m 4s

Provide feedback