Steps:

1. Log in to the back office
2. Click Create content from Quick actions
3. Change view for grid view
4. Click any content item
5. Click Add to bookmarks button

Actual result:

UDW is closed. Console output displays:

TypeError: Cannot read properties of undefined (reading 'find')

TypeError: Cannot read properties of undefined (reading 'length')

Expected result:

Item is added to bookmarks.