const checkValidity = () => {
    let validity = true;
    let translatable = true;
    let modTitle = { ...title }
    if((!modTitle["PL"] || 0 === modTitle["PL"].length) && (!modTitle["EN"] || 0 === modTitle["EN"].length)){
      validity = false;
    }
    else if((!modTitle["PL"] || 0 === modTitle["PL"].length) && (!(!modTitle["EN"] || 0 === modTitle["EN"].length))){
      validity = checkQuestionsValidity("EN");
    }
    else if(!(!modTitle["PL"] || 0 === modTitle["PL"].length) && ((!modTitle["EN"] || 0 === modTitle["EN"].length))){
      validity = checkQuestionsValidity("PL");
    } else {
      validity = checkQuestionsValidity("PL") && checkQuestionsValidity("EN");
    }
    if(!(!modTitle["PL"] || 0 === modTitle["PL"].length) && !(!modTitle["EN"] || 0 === modTitle["EN"].length) && checkQuestionsValidity("PL") && checkQuestionsValidity("EN")){
      translatable = false;
    }

    setIsTranslatable(translatable);
    setIsValid(validity);
  };