misc: use compat.h to select compatible Qt::SkipEmptyParts/KeepEmptyParts.
The simple change from QString::SkipEmptyParts
to Qt::SkipEmptyParts
means that older systems (Qt older than 5.14.0) will break, so add a compat layer and use it.
The simple change from QString::SkipEmptyParts
to Qt::SkipEmptyParts
means that older systems (Qt older than 5.14.0) will break, so add a compat layer and use it.