Add transaction GUID to ErrorEvent instances

[jtduffy]

Errors inbox team validated that both the ErrorEvent and TracedError payloads contain the transaction GUID in the proper spots when DT is disabled.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.89%. Comparing base (9aee916) to head (f5b25de).
Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1813   +/-   ##
=========================================
  Coverage     70.89%   70.89%           
- Complexity     9956     9965    +9     
=========================================
  Files           827      828    +1     
  Lines         39880    39957   +77     
  Branches       6043     6053   +10     
=========================================
+ Hits          28272    28327   +55     
- Misses         8887     8899   +12     
- Partials       2721     2731   +10     

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[jtduffy]

Pekko failure due to changes not being merged to agent main yet.