Updated nuke-default config to match upcoming colorspace additions in Nuke build

Adds Sony SLog1, which is a correct version of SLog which takes into account black offsets and where original is maintained under original SLog name for compatibility. Adds Sony SLog2 & 3, Canon CLog, and Gamma2.4 spaces, plus a rec1886 (Gamma 2.4) viewer process, and suppresses sRGBf to match available Nuke space names.