fix: newlines for messages in log tail

[clumsy]

log shows lines separated by newlines correctly, but log -t has all lines jumbled up.

Test plan:
[x] added unit test

[clumsy]

A small but impactful quality of life fix for your consideration @kiukchung, @tonykao8080 @d4l3k @andywag

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.72%. Comparing base (68c629e) to head (7b1295b).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1178   +/-   ##
=======================================
  Coverage   91.72%   91.72%           
=======================================
  Files          86       86           
  Lines        6668     6668           
=======================================
  Hits         6116     6116           
  Misses        552      552           

Flag	Coverage Δ
unittests	91.72% <100.00%> (ø)

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