If anyone from the community encounters the same, I am pasting my answer from your support ticket on the same topic:
Generally speaking, hiding an element is similar to removing it from the DOM tree. Thus, hiding a cell in an HTML table sometimes leads to undesired side effects.
What I would suggest is changing the width of the relevant column to 1 pixel. For example:
//get rid of detail icon
Please, find the modified Dojo here: