Hide and show add-card button for groups
Merge branch 'bug/group-add-button-shows-up-43424631' into development
Only drag when using left mouse button
Merge branch 'bug/right-click-card-jumps-43427573' into development
Fix positioning among users dragging
Better drag/edit notices.
Merge branch 'bug/card-jumps-up-43427573' into development