Information in the progress window (example: rescan) is displayed capped to fixed size instead of contents.

<img width="209" alt="screenshot 2018-12-21 at 14 58 20" src="https://user-images.githubusercontent.com/26601261/50345943-0bbd4300-0531-11e9-9c6c-e277ac69eb0c.png">

{
    return date.date().toString(Qt::SystemLocaleShortDate) + QString(" ") + date.toString("hh:mm");
}
QString dateTimeStr(qint64 nTime)
{
    return dateTimeStr(QDateTime::fromTime_t((qint32)nTime));
}
QFont fixedPitchFont()