Complex-formatted text with URLs from Telegram gets randomly corrupted

[ValdikSS]

Describe the bug
Long messages (posts forwarded to bridged chat from telegram channel) with multiple URLs gets corrupted: the URLs are misplaced and appear in the middle of the text, rewriting original text in this place.

See the screenshot.

с суммарным полезным объёмом ~45TB и начинаете ЭКСПЛУАТАЦИЮ.
became
с суммарным полезным объёhttps://t.me/TrTrTr8holes/119ПЛУАТАЦИЮ.

This URL should be in обои от стен отклеиваются

P.S. music.yandex.ru link on top is missing space before the link. I'm not sure if it's relevant to this bug.

To Reproduce
Open https://t.me/TrTrTr8holes/236 and forward it into bridged chat.

Expected behavior
The URLs are placed correctly

Screenshots/debug logs

Environment (please complete the following information):

• OS: Linux, x86_64
• Matterbridge version: 1.15.1 87788f3

Additional context

[telegram.bridged]
…
RemoteNickFormat="{LABEL}<b>&lt;{NICK}&gt;</b> "
UseInsecureURL=false
MessageFormat="HTMLnick"
Label="[T] "

[42wim]

Issue is probably in

matterbridge/bridge/telegram/handlers.go

Lines 367 to 388 in 727fa9f

	func (b *Btelegram) handleEntities(rmsg *config.Message, message *tgbotapi.Message) {
	if message.Entities == nil {
	return
	}
	// for now only do URL replacements
	for _, e := range *message.Entities {
	if e.Type == "text_link" {
	url, err := e.ParseURL()
	if err != nil {
	b.Log.Errorf("entity text_link url parse failed: %s", err)
	continue
	}
	utfEncodedString := utf16.Encode([]rune(rmsg.Text))
	if e.Offset+e.Length > len(utfEncodedString) {
	b.Log.Errorf("entity length is too long %d > %d", e.Offset+e.Length, len(utfEncodedString))
	continue
	}
	link := utf16.Decode(utfEncodedString[e.Offset : e.Offset+e.Length])
	rmsg.Text = strings.Replace(rmsg.Text, string(link), url.String(), 1)
	}
	}
	}

if anyone wants to debug.

go-telegram-bot-api/telegram-bot-api#231 is also related

[ValdikSS]

Fixed by #1765