Gitlab Email Push notification : HTML email diff is very tall and unreadable

I find the emails generated by GitLab may NOT be aware of Windows CR/LF syntax
or else that there is something else going on causing extremely ugly and unreadably tall diff output in the push notification emails:

Is there any way to configure or filter the output so that it does not distend itself and become so tall?

I’m pretty sure this is a bug in the ruby code that generates the HTML-emails so I have reported it here: