Be permissive about tiff axis metadata

[alessandrofelder]

Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

Why is this PR needed?

Current code loading tiff z stacks into memory throws an error, but...

• we want to be more permissive here based on previous discussions around how clean we expect TIFF metadata to be.
• we should be consistent between read_z_stack and get_size_image_from_file_paths functions?

What does this PR do?

Follow-up to #73
Modifies read_z_stack to write debug logs instead of throwing an error, if a tiff stack with no axis metadata is read.
Adds tests that check that debug log is called in these cases.

References

PR discussion linked above

How has this PR been tested?

New tests added.

Is this a breaking change?

No.

Does this PR require an update to the documentation?

If any features have changed, or have been added. Please explain how the documentation has been updated (and link to the associated PR). See here for details.

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality (unit & integration)
• [n/a] The documentation has been updated to reflect any changes.
• The code has been formatted with pre-commit

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.53%. Comparing base (a1a53b5) to head (fcf878b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #75      +/-   ##
==========================================
+ Coverage   89.76%   90.53%   +0.77%     
==========================================
  Files          35       35              
  Lines        1427     1427              
==========================================
+ Hits         1281     1292      +11     
+ Misses        146      135      -11     

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