refacto(nuke): improve tonescale blink

[MrLixm]

changes

On nuke folder :

• Improve code style;

• Remove log conversion;

• Support color (float3) for params;

• [x] TODO: create a new blink script for log conversion

  • wontfix: using Jed Smith

• [x] TODO: create a .nk wrapping the 2 blinks

  • wontfix: not needed for now, the float3 support was mostly experimenting but is not needed as of right now