Pass scale to regionprops when getting cand graph nodes

[cmalinmayor]

Proposed Change

Allow passing a scale when constructing a candidate graph. The scale is then passed to regionprops for computing region properties.

Checklist

Go through these things before merge. Actions should run automatically to test them, but for information on how to run locally, see CONTRIBUTING.md.

• I have added tests that prove that my feature works in various situations or tests the bugfix (if applicable).
• I have checked that the tests pass and I maintained or improved test coverage (if applicable).
• I have written docstrings and checked that they render correctly in the documentation build.
• I have checked that mypy type checking passes.

Further Comments

Scale currently includes time, and is passed a list of floats. The list of floats will change when we use funlib persistence (only ints allowed), but the inclusion of time is already future-proofed.

[AnniekStok]

all good!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.97%. Comparing base (cdc12a4) to head (7b05b5c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #20      +/-   ##
==========================================
+ Coverage   86.88%   86.97%   +0.09%     
==========================================
  Files          14       14              
  Lines         427      430       +3     
==========================================
+ Hits          371      374       +3     
  Misses         56       56              

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