[SYCL][L0 v2] Fix bindless array image subregion copies (#20952)
Fix bindless array image subregion copies on Level Zero v2 (SYCL
validation + UR region mapping)
Enable tests (previously failing and disabled with no tracking):
bindless_images/array/read_write_1d_subregion.cpp
bindless_images/array/read_write_2d_subregion.cpp
