Bring rs.to_dict('uuids') fix to waterml branch

[codecov[bot]]

Codecov Report

Merging #299 (ca7b775) into waterml (4c57796) will decrease coverage by 0.45%. The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           waterml     #299      +/-   ##
===========================================
- Coverage    64.48%   64.04%   -0.45%     
===========================================
  Files           75       75              
  Lines         3934     3969      +35     
===========================================
+ Hits          2537     2542       +5     
- Misses        1397     1427      +30     

Flag	Coverage Δ
e2e	64.04% <0.00%> (-0.45%)	:arrow_down:

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Impacted Files	Coverage Δ
metacatalog/util/results.py	74.58% <0.00%> (ø)

... and 2 files with indirect coverage changes