Same as https://github.com/facebook/react/issues/10103, but for the server renderer. You can look at implementation in https://github.com/facebook/react/pull/11168 and do something very similar in `ReactPartialRenderer.js`.
if (props.value != null) {
          value = props.value + '';
        } else {
          value = optionChildren;
        }
        selected = false;
        if (Array.isArray(selectValue)) {
          
          for (let j = 0; j < selectValue.length; j++) {
            if ('' + selectValue[j] === value) {
              selected = true;
              break;
            }
          }
        } else {
          selected = '' + selectValue === value;
        }
        props = Object.assign(
          {
            selected: undefined,
            children: undefined,
          },
          props,
          {
            selected: selected,
            children: optionChildren,
          },
        );