fix: fixed MediaType example being populated from wrong source

[TristanSpeakEasy]

@daveshanley this fixes an issue where the MediaType.Example field was being populated when it shouldn't.

It was basically searching down into the schema and other places as well to find an example where it should have only been searching the top level node

[daveshanley]

Cool! for some reason codecov has stopped working, trying to shake it loose.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.62%. Comparing base (18a817b) to head (e33b13a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #276   +/-   ##
=======================================
  Coverage   99.61%   99.62%           
=======================================
  Files         162      162           
  Lines       12085    12085           
=======================================
+ Hits        12039    12040    +1     
+ Misses         46       45    -1     

Flag	Coverage Δ
unittests	99.62% <100.00%> (+<0.01%)	⬆️

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[daveshanley]

Looks good! thank you for fixing.