The watcher is only watching directories and then searches for file
stat changes. It is compressing signals too. So if files are changes
in a very short time frame they are compressed to one change.
Task-number: QDS-4776
Change-Id: I90052a0d5dba01467b505070fb58b04ea5576294
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>