Steps:

1. Log in to the back office
2. Go to Content/Content structure
3. Click [...] button next to any item in the content tree
4. Click "Delete"

Actual result:

Action list is still displayed. User can select "Add translation" as well and then three elements are displayed one covering another. See attachment, please.

Note(KZ): The same occurs for Send to trash on content item with sub-items.