Update fa.json

[Clopas]

Sorry, I had to close the last PR. I used ChatGPT to review my translation. It compared the en and fa texts for each line of text and didn't find any errors. The output is attached here. CHATGPT-REVIEW.md

To reproduce it:

1.Paste this query to Chatgpt and press enter:

I have two texts both use json and html formats. first one is the original which is in english. the second is translated in persian. Review the persian and compare it with the english one in terms of translation. I'm first pasting the english.

2.Paste the en.json content and press enter.

3.Paste the fa.json content and press enter.

[Clopas]

All suggestions were taken into effect. I know it's been a long time since the review and the pull request was taken place, and the site has changed a lot. I thought I could go step by step and finish what I started first. I was thinking Maybe syncing translation with the last en.json file in a new pull request is a good idea?