fix: openapi converter generated route missing service id

[bzp2010]

Description

The OpenAPI converter contains an incorrect implementation that does not properly associate the converted generated routes with the service.

Checklist

• I have explained the need for this PR and the problem it solves
• I have explained the changes or the new features added to this PR
• I have added tests corresponding to this change
• I have updated the documentation to reflect this change
• I have verified that this change is backward compatible

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[bzp2010]

Ready for Review, where most of the changes are pointless code that gopls pointed out were optimized away.

The core modification is to set the service id to the route object.

There was also the historical E2E test issue where rate limiting wasn't working, I forced a new limiter to be created by means of _vid and it worked. But this has nothing to do with the converter, as no code has been changed about the converter and I don't know the reasons.