Bug Fixes

[theHenks]

• Fixed problems for channelinfo together with RunCategorySelLike for channelinfo with a single DetectorId as inpu
• Added DataPartition struct to be used for parititons and therefore the naming within all future partitioning functions
• Made DataSelector compatible with PropDicts. Otherwise, this doesn't work:

  dets = channelinfo(l200, (:p03, :r000, :cal); system=:geds, only_processable=true).detector
  l200.par.rpars.ecal.p03.r000[dets[1]]

[theHenks]

@oschulz I didn't touch the data_partitions function yet since it has IDicts as keys so far. In my opinion and for consistency, the keys should be DataPartitions.

[codecov[bot]]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (59e5b50) 48.96% compared to head (bf6b821) 48.11%. Report is 3 commits behind head on main.

:exclamation: Current head bf6b821 differs from pull request most recent head d11d507. Consider uploading reports for the commit d11d507 to get more accurate results

Files	Patch %	Lines
src/filekey.jl	0.00%	17 Missing :warning:
src/dataprod_config.jl	0.00%	2 Missing :warning:
src/legend_data.jl	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #23 +/- ## ========================================== - Coverage 48.96% 48.11% -0.85% ========================================== Files 15 15 Lines 966 983 +17 ========================================== Hits 473 473 - Misses 493 510 +17 ```

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[theHenks]

@oschulz PR is ready to merge from my side.