AdminUI BUG - Drag-and-Drop file attempt leave the drop target element on the screen
STR:
- Open a form for any entity with "Document" attribute, for example User (it has "Avatar" document attribute)
- Start dragging file
- Do NOT put cursor on the drop target area ("Add Avatar" / "Replace Avatar")
- Stop dragging
AR:
- The area not disappeared
ER:
- The area must disappear