v1.47.01

- Bugfix on datepicker and timepicker, in some cases the position of the picker is not good
- Bugfix for display on mobile
- bugfix on uploaded files, drag and drop on task can fail due to joined files
- Bugfix on task during less than 1 day. They are not visible (although they should be) when specific option - hide tasks covering weekend - is activated
- Several security fixes