fix typo in visualizations error message

[thostetler]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.1%. Comparing base (e32f10a) to head (dcc6493).

Files with missing lines	Patch %	Lines
...omponents/Visualizations/Widgets/NotEnoughData.tsx	0.0%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #786     +/-   ##
========================================
- Coverage    61.1%   61.1%   -0.0%     
========================================
  Files         304     304             
  Lines       35318   35318             
  Branches     1534    1534             
========================================
- Hits        21566   21563      -3     
- Misses      13716   13719      +3     
  Partials       36      36             

Files with missing lines	Coverage Δ
...omponents/Visualizations/Widgets/NotEnoughData.tsx	33.4% <0.0%> (ø)

... and 2 files with indirect coverage changes

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