Line Chart with 3 week timespan has incorrect dates #17
Description
Describe the bug
The Line chart shows the wrong data when set to last three weeks.
To Reproduce
Create a line chart widget with time span three weeks.
Expected behavior
Show data of the last three weeks.
Screenshots
Desktop (please complete the following information):
- OS: Mac OS
- Browser: chrome
- Version: 74.0.3729.157