[Feature Request] Add 'Number of characters in longest subtitle line' as a Subtitles Grid column

[Thenuke-Alia-Immortalis]

Hi. I use 'Number of characters in longest line of this subtitle', which is to the right of Effect box, to figure out when I have to insert line breaks \N, however, it is somehow tiring to watch this corner of my screen and then go back to the video on the left to check where I should put a line break.

That's why I wonder if the 'Number of characters in longest line of this subtitle' variable could be added (not moved) as a column option in the Subtitles Grid, next to the CPS column.

Thank you.