Update method generate_cluster_tracks()

[stefanhahmann]

• In Fix Tracking Layer #286 (comment) it was pointed out that

The problem is that my method assumes that label_list only contains labels that are actually part of the label_image, which is not the case for your track data. I think it should, and the implementation of generate_cluster_tracks may be buggy as it produces the same label_list for each time point, regardless of the actual labels at that time point.

• This PR is dedicated to provide a solution for this:
  • Cluster tracks generates now image specific label and cluster id lists instead of repeating the complete lists containing all labels for all images
  • Generate_cluster_image() does not need to account for that fact anymore

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e195b69) 77.17% compared to head (f736d3b) 77.32%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #290      +/-   ##
==========================================
+ Coverage   77.17%   77.32%   +0.14%     
==========================================
  Files          16       16              
  Lines        1893     1896       +3     
==========================================
+ Hits         1461     1466       +5     
+ Misses        432      430       -2     

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[stefanhahmann]

I think, this PR is ready to be merged.