[Wasm GC] Add GUFA tests for struct reads from cones (#5135)
[Wasm GC] Add GUFA tests for struct reads from cones (#5135)

We had cone tests for ref.eq and ref.cast etc. but not for struct.get.
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen