[wasm] Use `g_printerr` to emit errors in mini-wasm.c, so they show up wit… (#49838)

* [wasm] Use g_error to emit errors in mini-wasm.c, so they show up with traces in js console

* address review feedback

vargaz: printf in JIT code is mapped to the platform logging operation, so this one can stay as it is.

* Use g_printerr instead of g_error, as suggested by feedback

src/mono/mono/mini/mini-wasm.c

@@ -567,13 +567,13 @@ mono_set_timeout_exec (int id)
 	//YES we swallow exceptions cuz there's nothing much we can do from here.
 	//FIXME Maybe call the unhandled exception function?
 	if (!is_ok (error)) {
-		printf ("timeout callback failed due to %s\n", mono_error_get_message (error));
+		g_printerr ("timeout callback failed due to %s\n", mono_error_get_message (error));
 		mono_error_cleanup (error);
 	}
 
 	if (exc) {
 		char *type_name = mono_type_get_full_name (mono_object_class (exc));
-		printf ("timeout callback threw a %s\n", type_name);
+		g_printerr ("timeout callback threw a %s\n", type_name);
 		g_free (type_name);
 	}
 }
@@ -605,13 +605,13 @@ tp_cb (void)
 	mono_runtime_try_invoke (method, NULL, NULL, &exc, error);
 
 	if (!is_ok (error)) {
-		printf ("ThreadPool Callback failed due to error: %s\n", mono_error_get_message (error));
+		g_printerr ("ThreadPool Callback failed due to error: %s\n", mono_error_get_message (error));
 		mono_error_cleanup (error);
 	}
 
 	if (exc) {
 		char *type_name = mono_type_get_full_name (mono_object_class (exc));
-		printf ("ThreadPool Callback threw an unhandled exception of type %s\n", type_name);
+		g_printerr ("ThreadPool Callback threw an unhandled exception of type %s\n", type_name);
 		g_free (type_name);
 	}
 }