quick_image improvements

[bhazelton]

Fixed a couple small bugs in quick_image and added an option to set the colormap or match the colors used in the IDL version of quick_image.

The color matching is especially useful when trying to compare arrays at various points in FHD and pyFHD.

Please also remove any changelog sections that don't match/relate to your pull request to ensure the changelog in the pull request is succinct, except for additional Translation, any additional translation will likely include all changes and checklists.

Types of Changes

• Bug Fixes
• New Feature(s)
• Breaking Changes
• Documentation
• Version Change
• Translation from FHD
• Build or CI Change

Checklist

General PR Checklist

• I have the read the contribution guide
• Add all the above to the Changelog into the unreleased section

New Features Checklist

• New Features have all new functions documented using the numpydoc docstring format
• Updated an existing tutorial or created a tutorial to use the new feature in the documentation
• Have added new tests or changed existing tests to cover the new feature

Bug Fixes Checklist

• Added all bug fixes with any issues associated with them linked.
• Added new tests to cover bugs
• Adjusted existing tests to cover bug, in which case check the Existing Tests Checklist

[codecov]

Codecov Report

❌ Patch coverage is 87.50000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 35.30%. Comparing base (4c11ade) to head (d5eac23).

Files with missing lines	Patch %	Lines
PyFHD/plotting/image.py	87.50%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
+ Coverage   32.74%   35.30%   +2.55%     
==========================================
  Files          27       27              
  Lines        5540     5549       +9     
  Branches     1012     1015       +3     
==========================================
+ Hits         1814     1959     +145     
+ Misses       3525     3346     -179     
- Partials      201      244      +43     

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