Update UI from initial feedback

[stefpiatek]

Currently deployed at https://omopcat.safehr-data.org/ because we haven't publicly released

Had to move around the datatable call earlier to be able to get numeric formating working correctly

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.65%. Comparing base (77b60c7) to head (21d1f86).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #137      +/-   ##
==========================================
+ Coverage   93.46%   93.65%   +0.18%     
==========================================
  Files          23       23              
  Lines         781      804      +23     
==========================================
+ Hits          730      753      +23     
  Misses         51       51              

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[milanmlft]

Need to update tests and add a missing import to get the checks to pass, but other than that looking ✨

[stefpiatek]

Interestingly, test of selecting reactive value rows is failing. Wonder if it doesn't like storing the data table as a reactive value. May see if there's a way to generate the data table manually from a the reactive value but at first attempt it didn't work