[go] Fix x-www-form-urlencoded body

[beardeddragon5]

PR checklist

• Read the contribution guidelines.
• Ran the shell script under ./bin/ to update Petstore sample so that CIs can verify the change. (For instance, only need to run ./bin/{LANG}-petstore.sh and ./bin/security/{LANG}-petstore.sh if updating the {LANG} (e.g. php, ruby, python, etc) code generator or {LANG} client's mustache templates). Windows batch files can be found in .\bin\windows\.
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Description of the PR

#8347
#8062
#7668

(details of the change, additional tests that have been done, reference to the issue for tracking, etc)

[beardeddragon5]

The failed test doesn't make sense. In the above test the Status is set to available.
But idk.

[beardeddragon5]

Oh, I found an older issue with the same problem #8347

[bmonkman]

Would love to get this fix. Any ETA?

[beardeddragon5]

@bmonkman https://github.com/OpenAPITools/openapi-generator