Use a more robust intersection area computation

[mcara]

Fixes a crash reported in https://jira.stsci.edu/browse/JP-3636 due to spherical_geometry raising MalformedPolygonError exception when computing area of some intersection polygons. Now, when this error is occurs, it is caught and the intersection area is set to 0. This has potential to result in sub-optimal order in which images will be aligned but in practice should have minimal effect.

[codecov]

Codecov Report

Attention: Patch coverage is 80.64516% with 6 lines in your changes missing coverage. Please review.

Project coverage is 93.68%. Comparing base (f91c66b) to head (cec7074).
Report is 23 commits behind head on main.

Files with missing lines	Patch %	Lines
tweakwcs/wcsimage.py	76.47%	4 Missing ⚠️
tweakwcs/imalign.py	85.71%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #205      +/-   ##
==========================================
- Coverage   93.74%   93.68%   -0.07%     
==========================================
  Files          11       11              
  Lines        1999     2010      +11     
==========================================
+ Hits         1874     1883       +9     
- Misses        125      127       +2     

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[mcara]

JWST regression tests are running here: https://plwishmaster.stsci.edu:8081/job/RT/job/JWST-Developers-Pull-Requests/1608/

[nden]

I don't know the code well, as far as I can follow, it looks good and regression tests are passing.

[nden]

You need to submit a PR on jwst with a change log entry, saying this was fixed in tweakwcs and recording the PR number. Also bump the required version of tweakwcs once there is a release.