Fixes for move of overlay out of contour

[lewisblake]

Change Summary

countour/overlay -> overlay mean that a lot of the logic needed modify, especially in the only_model_maps case. These are fixes which seem to work, but more testing is needed to see how this interacts when there are both contour and and overlay plots

Related issue number

NA

Checklist

• Start with a draft-PR
• The PR title is a good summary of the changes
• PR is set to AeroTools and a tentative milestone
• Documentation reflects the changes where applicable
• Tests for the changes exist where applicable
• Tests pass locally
• Tests pass on CI
• At least 1 reviewer is selected
• Make PR ready to review

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 77.96%. Comparing base (c52cd91) to head (d5bdd98).
Report is 43 commits behind head on main-dev.

Files with missing lines	Patch %	Lines
pyaerocom/aeroval/experiment_output.py	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           main-dev    #1524   +/-   ##
=========================================
  Coverage     77.95%   77.96%           
=========================================
  Files           144      144           
  Lines         21563    21568    +5     
=========================================
+ Hits          16810    16815    +5     
  Misses         4753     4753           

Flag	Coverage Δ
unittests	77.96% <33.33%> (+<0.01%)	⬆️

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[thorbjoernl]

What's the status of the local tests?

[lewisblake]

What's the status of the local tests?

Still failing. I'll come talk to you tomorrow

[thorbjoernl]

LGTM 🚀

I ran the tests locally, and they seem to pass now. 🧪