fix: openapi regression

[aeneasr]

Related issue(s)

Checklist

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Further Comments

[zepatrik]

Is the idea to make the node type on the specific attributes string, but keep the enum as the discriminator?

[aeneasr]

Exactly - because the target of the discriminator is not an enum, it's always the same value (otherwise it would be a different type). I think that trips out the generator