PixelConditionsData+SiDetElementsRoadTool_xk+SiSpacePointsSeedTool_xk+TRT_DetElementsRoadTool_xk: Use CXXUTILS_TRAPPING_FP.
Use CXXUTILS_TRAPPING_FP where needed to tell clang to optimize assuming that FP operations may trap.
Needed to fix test failures in the clang build in InDetConfig.