PREOPS-4817: Integrate key and map with colourblind-friendly plot elements.

[alserene]

• The static key has been removed.
• The plot objects have had kwargs added that allow the objects to be displayed nicely in the plot's native key.
• The order in which plot objects are added has been rearranged to display key objects in a nice order.
• The layout around the plot has been modified to allow for the new plot-attached key.
• Colours of plot line objects (ecliptic, galactic plane, etc.) have been modified for greater accessibility, with colours derived from a colourblind-accessible colour palette.

[codecov]

Codecov Report

Attention: 45 lines in your changes are missing coverage. Please review.

Comparison is base (3a3d717) 13.05% compared to head (bbf8fae) 13.10%.

Files	Patch %	Lines
schedview/plot/survey.py	0.00%	29 Missing ⚠️
...iew/app/scheduler_dashboard/scheduler_dashboard.py	0.00%	16 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #63      +/-   ##
==========================================
+ Coverage   13.05%   13.10%   +0.04%     
==========================================
  Files          42       42              
  Lines        3270     3258      -12     
  Branches      490      490              
==========================================
  Hits          427      427              
+ Misses       2834     2822      -12     
  Partials        9        9              

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[emanehab99]

Looks good! Thanks

[ehneilsen]

Looks good to me.