Change model query field to camel case

[JunichiSugiura]

World explorer currently expects lower camel case model fields

[JunichiSugiura]

I cannot reproduce the CI error locally. Instead, I see totally different error on my machine. Neither doesn't seem related to my change. I wonder if I miss something here... @broody

error on my machine

--- STDERR:              torii-graphql tests::models_test::tests::models_test ---
thread 'tests::models_test::tests::models_test' panicked at 'called `Result::unwrap()` on an `Err` value: Provider(StarknetError(StarknetErrorWithMessage { code: Known(ContractError), message: "Contract error" }))', crates/torii/graphql/src/tests/mod.rs:266:10
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[JunichiSugiura]

oh my branch is way behind. let me re-create the pr