fix: reorder properties when plotting FeatureCollection

[12rambau]

I did the simplest fix possible. Considering the amount of data displayed at once on a graph are limited I enforce the order of properties in both plot_by_feature and plot_by_properties to match the insertion order destroyed by GEE.

Fix #320

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.10%. Comparing base (c73959d) to head (013a849).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #328      +/-   ##
==========================================
+ Coverage   91.08%   91.10%   +0.02%     
==========================================
  Files          27       27              
  Lines        1357     1361       +4     
  Branches       66       66              
==========================================
+ Hits         1236     1240       +4     
  Misses        105      105              
  Partials       16       16              

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