From 9c29863079aabe6a22b11c3b7c22e5820bb06dd0 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Tue, 26 Jul 2022 13:22:54 +0200
Subject: [PATCH] Fix from/to addresses in mail preview getting duplicated

---
 mail/js/app.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mail/js/app.js b/mail/js/app.js
index 949db59a39..190bb767d8 100644
--- a/mail/js/app.js
+++ b/mail/js/app.js
@@ -1060,7 +1060,13 @@ app.classes.mail = AppJS.extend(
 		if (data.toaddress||data.fromaddress)
 		{
 			data.additionaltoaddress = (data.additionaltoaddress??[]).concat(data.toaddress);
+			data.additionaltoaddress = 	data.additionaltoaddress.filter((i, item) => {
+				return data.additionaltoaddress.indexOf(i) == item
+			});
 			data.additionalfromaddress = (data.additionalfromaddress??[]).concat(data.fromaddress);
+			data.additionalfromaddress = data.additionalfromaddress.filter((i, item) => {
+				return data.additionalfromaddress.indexOf(i) == item
+			});
 		}
 
 		if (data.attachmentsBlock) data.attachmentsBlockTitle = `${data.attachmentsBlock.length} attachments`;