[UR] Restore function IDs from the previous release (#20168)
This is a cherry-pick of intel/llvm#19988
Function IDs stored in ur_function_t structure should be kept stable
across versions. This patch restores the IDs from v6.2.0 release.
Patch-by: Krzysztof Święcicki <krzysztof.swiecicki@intel.com>
