in public/scripts/configure.js [41:54]
function validCredentialsCallback(isValid) {
if (isValid) {
saveCredentials();
} else {
if (!autofillCheckmark.checked) {
apiInput.parentElement.classList.add('invalid');
}
tokenInput.parentElement.classList.add('invalid');
saveButton.classList.remove('saving');
saveButton.innerText = 'Save';
saveButton.removeAttribute('disabled');
}
}