Replace QString::fromUtf16() with QStringView::toString()
The QStringView counterpart is somewhat faster because it doesn't go through the UTF-16 codec in QUtf16::convertToUnicode(), which tries to detect the BOM.
Follows qt/qt/qtbase@a6b4ff16
The QStringView counterpart is somewhat faster because it doesn't go through the UTF-16 codec in QUtf16::convertToUnicode(), which tries to detect the BOM.
Follows qt/qt/qtbase@a6b4ff16