If fq_schema_naming is true, use service fullname as the operation tagname

[comynli]

When fq_ schema_naming is set to true, use service full name as tag of operation. like schema use message full name as title.

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[timburks]

Let's fix the broken tests before merging. I'll take a look later today, we may just need to update the expected results.

[jeffsawatzky]

You can also temporarily set this to true https://github.com/google/gnostic/blob/main/cmd/protoc-gen-openapi/plugin_test.go#L50 then run the tests. It will recreate the fixtures, which you can then diff to see if the changes make sense.