Stefan Brüns

[PreviewJob] Fix Thumb::Size check to be spec compliant

Avoid reencoding filenames multiple times

Remove password when encoding URL instead of setting an empty one

Avoid double fetch and temporary hex encoding for NTFS attributes

Simplify timestamp truncation in tests, use currentSecsSinceEpoch()

Replace currentDateTimeUtc().toTime_t() with currentSecsSinceEpoch()

Replace QDateTime::to_Time_t/from_Time_t with to/fromSecsSinceEpoch

[KSambaShare] Add unit test for "net usershare info" parser