replace `QString::SkipEmptyParts` with `Qt::SkipEmptyParts` (qt6)
replace `QString::SkipEmptyParts` with `Qt::SkipEmptyParts` (qt6)

`QString::SkipEmptyParts` is [deprecated since around Qt5.14](https://doc.qt.io/qt-5/qstring-obsolete.html),
and has been removed in Qt6.

We replace it with `Qt::SkipEmptyParts` for Qt >= 5.14

collin80/SavvyCAN,collin80/SavvyCAN,collin80/SavvyCAN,collin80/SavvyCAN,collin80/SavvyCAN