GEOPY-2623: colour for Curve is not working the same way as other objects

[MatthieuCMira]

GEOPY-2623 - colour for Curve is not working the same way as other objects
fix the visual parameter bug for curve and surface

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 91.08%. Comparing base (5849378) to head (46b6293).
⚠️ Report is 6 commits behind head on develop.

Files with missing lines	Patch %	Lines
geoh5py/data/visual_parameters.py	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #827      +/-   ##
===========================================
+ Coverage    91.07%   91.08%   +0.01%     
===========================================
  Files          115      115              
  Lines        10119    10121       +2     
  Branches      1877     1878       +1     
===========================================
+ Hits          9216     9219       +3     
+ Misses         481      480       -1     
  Partials       422      422              

Files with missing lines	Coverage Δ
geoh5py/__init__.py	55.55% <ø> (ø)
geoh5py/data/__init__.py	100.00% <ø> (ø)
geoh5py/data/blob_data.py	66.66% <ø> (ø)
geoh5py/data/boolean_data.py	100.00% <ø> (ø)
geoh5py/data/color_map.py	92.15% <ø> (ø)
geoh5py/data/colour.py	98.30% <ø> (ø)
geoh5py/data/data.py	90.78% <ø> (ø)
geoh5py/data/data_association_enum.py	100.00% <ø> (ø)
geoh5py/data/data_type.py	94.63% <ø> (ø)
geoh5py/data/data_unit.py	66.66% <ø> (ø)
... and 105 more

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