I have a problem with dialog in drupal 8, and I found a place that make me stuck. There is a code in this file not work as my expected. Please see the image
I just want to do the simple thing is comment the line out like below:
I can't do this because this is core file. So I want to override this file or this function only.
I trying to use libraries-override but no hope. This is my code, I am newbie so this code may have mistake or wrong.
"capital" is my theme, not module
below is my theme structure:
Please help... I googled this issue for long time.