void QQuickPaddedRectangle::setPadding(qreal padding)
{
    if (!qFuzzyCompare(m_padding, padding)) {
        m_padding = padding;
        update();
        emit paddingChanged();
        if (m_hasTopPadding)                           <=== missing `!`
            emit topPaddingChanged();
        if (!m_hasLeftPadding)
            emit leftPaddingChanged();
        if (!m_hasRightPadding)
            emit rightPaddingChanged();
        if (!m_hasBottomPadding)
            emit bottomPaddingChanged();
    }
}