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">

#endif
#include <shellapi.h>
#include <shlobj.h>
#include <shlwapi.h>
#endif
#include <QAbstractItemView>
#include <QApplication>
#include <QClipboard>
#include <QDateTime>
#include <QDesktopServices>
#include <QDesktopWidget>
#include <QDoubleValidator>
#include <QFileDialog>
#include <QFont>
#include <QFontDatabase>
#include <QKeyEvent>
#include <QLineEdit>
#include <QSettings>
#include <QTextDocument> 
#include <QThread>
#include <QUrlQuery>
#include <QMouseEvent>
#if defined(Q_OS_MAC)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#include <objc/objc-runtime.h>
#include <CoreServices/CoreServices.h>
#endif
namespace GUIUtil {
QString dateTimeStr(const QDateTime &date)