* Re #2259: highlight series thumbnails border for active series (series in the active viewport)
* Re #2259: add the warning icon also on the active viewport as an overlay
* fix: 🐛 Fix ghost shadow on thumb
Updated react-dnd package for the lates. Refactored thumbnail component
Closes: 1087
* feat: 🎸 Code review
Set flex instead of float. Add cypress tag to thumb container
* feat: 🎸 Code review. Revised style when no description