Auto confirm is not enabled in UDW for Embed block.
- Create / edit Landing Page.
- Add Embed block.
- In Settings click Select content.
- In UDW choose parent and click "+".
- Select content type and click Create.
- Fill mandatory fields and click Confirm.
Actual: UDW remains open, parent from step 4 is selected and added to block when user closes UDW / confirms.
Expected: UDW is closed (since there is no multiple selection), newly created item is added to block.
Remarks: Also in this situation UDW displays information that 2 items are selected (see attached).