Fields should not change size when user clicks on 'permanent link' or 'remove comment' buttons

Fields should not change size when user click on 'permanent link' or 'remove comment' buttons
Test scenario
Pre-condition

1. User is logged in
2. Article with he/she it comment opened

Steps to reproduce

1. Click 'permanent link'

AR: pop-up window is shown, fields change their size
ER: pop-up window is shown, fields do not change size

The same happens when user clicks 'remove comment completely' button

Video:
http://screencast.com/t/48jlYcjivy