Steps to reproduce:

1. Go to Admin / Content sctructure.
2. Click on 'Search' button at the left side menu.
3. Click on 'Filters' button.
4. Right after filters menu expands, start typing 'Administrator user' in field 'Creator'.

Actual result:

See attachment.

Remove button isn't displayed propertly. 

Expected result:

Remove button should be dispayed propertly.