[SYCL][Graph][CUDA] Graph buffer fill node improvement (#12605)
Graph support in the CUDA backend for graph buffer fill nodes has been
improved in UR PR
https://github.com/oneapi-src/unified-runtime/pull/1319
---------
Co-authored-by: Ewan Crawford <ewan@codeplay.com>
Co-authored-by: Kenneth Benzie (Benie) <k.benzie@codeplay.com>
