Patch channelinfo

[theHenks]

extended kwarg is used for cashing of channelinfo to prevent long loading times. This was a bug since before the user hat to manually reset the cache by creating a new LegendData object if the extended kwarg was used after the function was called witout before.

Minor bug fixes in column layout

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 42.08%. Comparing base (a678b6b) to head (f5dbad1).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
+ Coverage   42.07%   42.08%   +0.01%     
==========================================
  Files          26       26              
  Lines        1975     1972       -3     
==========================================
- Hits          831      830       -1     
+ Misses       1144     1142       -2     

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[fhagemann]

There were some workarounds to delete the cache if the extended channelinfo was needed but the reduced channelinfo was already cached. We can probably delete them now. The tests will reveal whether this works or not.

[theHenks]

Tests look fine. Go ahead and merge if you are happy