fix: DH-13244: remove trailing whitespace from console log messages

[dgodinez-dh]

https://deephaven.atlassian.net/browse/DH-13244

There was a fix for single line console messages here: #350
However, this fix did not account for trailing newline characters in the message. This fix trims whitespace from the end of the message.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 46.84%. Comparing base (2533670) to head (f43fbb2).

Files with missing lines	Patch %	Lines
...nsole-history/ConsoleHistoryResultErrorMessage.tsx	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2418      +/-   ##
==========================================
- Coverage   46.84%   46.84%   -0.01%     
==========================================
  Files         711      711              
  Lines       39319    39320       +1     
  Branches     9826    10015     +189     
==========================================
  Hits        18418    18418              
+ Misses      20890    20848      -42     
- Partials       11       54      +43     

Flag	Coverage Δ
unit	46.84% <0.00%> (-0.01%)	⬇️

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[bmingles]

LGTM