2119 fix unknown error

[adrian-codecov]

Purpose/Motivation

We're setting the ReportSession's state to "started" as it is currently set to '', leading to "unknown errors" in Gazebo.

Links to relevant tickets

codecov/engineering-team#2119

[spalmurray-codecov]

lgtm!

[github-actions]

✅ All tests successful. No failed tests were found.

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[codecov-notifications]

Codecov Report

All modified and coverable lines are covered by tests ✅

✅ All tests successful. No failed tests found.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.76%. Comparing base (622b048) to head (863ab0f).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1061      +/-   ##
==========================================
- Coverage   96.00%   95.76%   -0.25%     
==========================================
  Files         828      758      -70     
  Lines       19397    15008    -4389     
==========================================
- Hits        18623    14372    -4251     
+ Misses        774      636     -138     

Flag	Coverage Δ
unit	92.27% <ø> (ø)
unit-latest-uploader	92.27% <ø> (ø)

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