Add `SYCL_CTS_ENABLE_EXT_ONEAPI_ROOT_GROUP_TESTS` option #2686

Job	Run time
check-secrets	1s
check-clang-format	3s
build-common-base-image	0s
build-image-for-sycl-impl	0s
compile-cts (dpcpp, b209b321b5a8540263af9ba317c89a1882f06120)	4h 39m 14s
compile-cts (hipsycl, 3d8b1cd)	9m 5s
cts-compiles-for-all-implementations	1s
	4h 48m 24s

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