Add options to segment_3d_image for removing objects touching borders

[lguerard]

Fix #138

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 26%. Comparing base (7cb7b68) to head (f215ea5).
⚠️ Report is 35 commits behind head on devel.

Files with missing lines	Patch %	Lines
src/imcflibs/imagej/objects3d.py	50%	2 Missing ⚠️

Additional details and impacted files

@@         Coverage Diff          @@
##           devel   #139   +/-   ##
====================================
+ Coverage     25%    26%   +1%     
====================================
  Files         25     25           
  Lines       1771   1763    -8     
====================================
+ Hits         437    456   +19     
+ Misses      1334   1307   -27     

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