Load vendorExtensions in the operation parameter

[rodrigoma3]

Load vendorExtensions in the operation parameter when openapi 3
Unit test to verify that the API changed the annotation
fix #18959

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@cachescrubber (2022/02) @welshm (2022/02) @MelleD (2022/02) @atextor (2022/02) @manedev79 (2022/02) @javisst (2022/02) @borsch (2022/02) @banlevente (2022/02) @Zomzog (2022/09) @wing328

[rodrigoma3]

@wing328 @welshm @borsch

[rodrigoma3]

@wing328 @borsch Could you evaluate the PR please?

[wing328]

FYI @OpenAPITools/generator-core-team

[wing328]

tested locally and the result is good

thanks for the PR

[rodrigoma3]

tested locally and the result is good

thanks for the PR

I appreciate your attention. Thank you very much!