Added date of end of ban from group to admin log.

Telegram/Resources/langs/lang.strings

@@ -6159,6 +6159,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_admin_log_stopped_poll" = "{from} stopped poll:";
 "lng_admin_log_invited" = "invited {user}";
 "lng_admin_log_banned" = "banned {user}";
+"lng_admin_log_banned_until" = "banned {user} {until}";
 "lng_admin_log_unbanned" = "unbanned {user}";
 "lng_admin_log_restricted" = "changed restrictions for {user} {until}";
 "lng_admin_log_promoted" = "changed privileges for {user}";

Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp

@@ -354,10 +354,23 @@ TextWithEntities GeneratePermissionsChangeText(
 	const auto prevFlags = prevRights.flags;
 	const auto indefinitely = ChannelData::IsRestrictedForever(newUntil);
 	if (newFlags & Flag::ViewMessages) {
-		return tr::lng_admin_log_banned(
+		if (indefinitely) {
+			return tr::lng_admin_log_banned(
+				tr::now,
+				lt_user,
+				user,
+				tr::marked);
+		}
+		return tr::lng_admin_log_banned_until(
 			tr::now,
 			lt_user,
 			user,
+			lt_until,
+			tr::lng_admin_log_restricted_until(
+				tr::now,
+				lt_date,
+				{ langDateTime(base::unixtime::parse(newUntil)) },
+				tr::marked),
 			tr::marked);
 	} else if (newFlags == 0
 		&& (prevFlags & Flag::ViewMessages)