allOf operator and ajv-keywords support 2

[svsool]

👋 I could not re-open previous issue, seems like the issue is unfortunately back 😅

[smartinio]

Hello @ThomasAribart

Here's a repro:
https://codesandbox.io/p/sandbox/typescript-playground-export-forked-ctx886

I'm guessing the issue is that { transform: ['trim'] } doesn't contain any other properties to qualify it as a JSON Schema. If type: 'string' is added to it, the issue goes away.