[NominalFuzzing] Don't compare nominal types in the fuzzer (#4603)
[NominalFuzzing] Don't compare nominal types in the fuzzer (#4603)

The same module will have a different type after some transformations, even
though that is not observable, like --roundtrip. Basically, we should not be
comparing types between separate modules, which is what the fuzzer does.
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen