This fixes this unharmful message we were getting on macOS CI:
Gdk-WARNING **: 18:06:23.048: Failed to initialize CVDisplayLink!
The hard ones (spyro-plus.py, histogram-export.py and python-console.py)
were not touched for now, just the ProcedureDialog plugins were fixed.
Resolves#13889
Adds support for exporting palettes in
Krita's .kpl format (zipped .xml data).
Colors are currently saved as 32-bit
floating point RGB values.
Future work includes supporting other
color spaces like CMYK, other precisions,
and including color profiles for colors.
