change extended to true

[meganrm]

Problem

trimesh grid was not putting surface ingredients in the right spot with spheres as containers.

Solution

raytrace worked and the only difference was "ex=True" so changed that. this should probably be dug into further in the future

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• This change requires updated or new tests

Change summary:

• Tidy, well formulated commit message
• Another great commit message
• Something else I/we did

Steps to Verify:

1. A setup step / beginning state
2. What to do next
3. Any other instructions
4. Expected behavior
5. Suggestions for testing

Screenshots (optional):

Show-n-tell images/animations here

Keyfiles (delete if not relevant):

1. main file/entry point
2. other important file

Thanks for contributing!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eb4c0fa) 98.63% compared to head (b94f39a) 98.63%.
Report is 2 commits behind head on main.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #224   +/-   ##
=======================================
  Coverage   98.63%   98.63%           
=======================================
  Files          18       18           
  Lines         511      511           
=======================================
  Hits          504      504           
  Misses          7        7           

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[github-actions]

Packing analysis report

Analysis for packing results located at cellpack/tests/outputs/test_spheres/spheresSST

Ingredient name	Encapsulating radius	Average number packed
ext_A	25	236.0

Packing image

Distance analysis

Expected minimum distance: 50.00
Actual minimum distance: 50.01

Ingredient key	Pairwise distance distribution
ext_A

[mogres]

Looks good to me! We should probably create an issue to track what ex=True is doing under the hood.