fix(query-generator): fix bad property access

[SimonSchick]

Pull Request check-list

• Does npm run test or npm run test-DIALECT pass with this change (including linting)?
• Does the description below contain a link to an existing issue (Closes #[issue]) or a description of the issue you are solving?
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Description of change

FIxes #9982
Also tiny cleanup 😄

Not familiar enough with the repo to find an error case but, better safe than sorry.

[SimonSchick]

Now that github is done being weird.. merge? 😄

[sushantdhiman]

Thanks @SimonSchick , I was waiting for Github to go green, Yesterday I accidentally submitted 3 approved reviews on same PR because of that outage :D