BUG: Consider BlackIs1 parameter for CCITTFaxDecode filter

[stefan6419846]

Closes #3193.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.54%. Comparing base (a2b7837) to head (0e64c03).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3196   +/-   ##
=======================================
  Coverage   96.53%   96.54%           
=======================================
  Files          53       53           
  Lines        8928     8935    +7     
  Branches     1640     1642    +2     
=======================================
+ Hits         8619     8626    +7     
  Misses        186      186           
  Partials      123      123           

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