Clarify intent of PreFlightIgnoresTransaction test

[jamescrosswell]

Resolves #4579:

• Version and Request interfaces missing from net9.0/net10.0 payloads in ASP.NET Core #4579

#skip-changelog

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.90%. Comparing base (df394ce) to head (6a6895f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4792   +/-   ##
=======================================
  Coverage   73.90%   73.90%           
=======================================
  Files         485      485           
  Lines       17682    17682           
  Branches     3494     3494           
=======================================
  Hits        13067    13067           
  Misses       3758     3758           
  Partials      857      857           

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