Settings: re-design plugin preferences view

Make UI changes to follow design sketch: https://www.sketch.com/s/164f7656-95fd-48d0-9d19-c2aaf211b5c3

added 1 deleted label

added SprintIn progress label

https://review.jami.net/c/jami-client-qt/+/17352

marked this issue as related to jami-plugins#16 (closed)

added SprintTo review label and removed SprintIn progress label

mentioned in commit 5f6eb215

added SprintDone label and removed SprintTo review label

closed