OperationId generation problem.

[neetkee]

Describe the bug
If OpenAPI class is declared as bean in spring configuration, then consecutive calls to api-docs endpoint with different 'Accept-Language' headers will result in the wrong operationId name.

To Reproduce
Steps to reproduce the behavior:
Please see minimal reproducible project at: https://github.com/neetkee/springdoc-issue

Expected behavior
OperationId is not changed

Screenshots
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