### Steps to reproduce

Begin of the deletion _Please write down the steps to reproduce. Try to write down all necessary preconditions (what permissions do you have, are other users involved?). Example:_

End of the deletion 1. Goto a Gantt chart of a Project

2. Sort the work packages of the Gantt chart by start date

3. Move the last work package to the top of the list via drag and drop

4. Export the Gantt chart to PDF


### What is the buggy behavior?

Begin of the deletion _Please describe the bug in as much detail as possible. Example:_

End of the deletion * The exported Gantt chart has not the right work package at the top

* The PDF export of Gantt charts dose ignore manually sorting of work packages


### What is the expected behavior?

Begin of the deletion _Describe how the application should behave like. Example:_

End of the deletion 1. The exported Gantt chart has the same order as on the web UI Begin of the insertion


End of the insertion Begin of the deletion




End of the deletion ###