Re-enable component model *.wast tests (#4577)

* Re-enable component model `*.wast` tests

These accidentally stopped running as part of #4556 on CI since I forgot
one more location to touch a feature gate.

* Enable logging in component tests

This is a small convenience to get log messages during testing for
components by default.

tests/all/component_model.rs

@@ -88,6 +88,8 @@ const REALLOC_AND_FREE: &str = r#"
 "#;
 
 fn engine() -> Engine {
+    drop(env_logger::try_init());
+
     let mut config = Config::new();
     config.wasm_component_model(true);