fix telegram webhook (#29864)

Fix #29837 which is a regression caused by

https://github.com/go-gitea/gitea/pull/29145/files#diff-731445ee00f0f1bf2ff731f4f96ddcf51cdc53fd2faaf406eb3536fc292ea748L48.

The line was probably removed by accident.

---------

Co-authored-by: Giteabot <teabot@gitea.io>
(cherry picked from commit 0285b04f4ca981d7467097dbca3b281011b7798c)

services/webhook/telegram.go

@@ -181,7 +181,9 @@ func (t telegramConvertor) Package(p *api.PackagePayload) (TelegramPayload, erro
 
 func createTelegramPayload(message string) TelegramPayload {
 	return TelegramPayload{
-		Message: strings.TrimSpace(message),
+		Message:           strings.TrimSpace(message),
+		ParseMode:         "HTML",
+		DisableWebPreview: true,
 	}
 }
 

services/webhook/telegram_test.go

@@ -18,6 +18,15 @@ import (
 
 func TestTelegramPayload(t *testing.T) {
 	tc := telegramConvertor{}
+
+	t.Run("Correct webhook params", func(t *testing.T) {
+		p := createTelegramPayload("testMsg ")
+
+		assert.Equal(t, "HTML", p.ParseMode)
+		assert.Equal(t, true, p.DisableWebPreview)
+		assert.Equal(t, "testMsg", p.Message)
+	})
+
 	t.Run("Create", func(t *testing.T) {
 		p := createTestPayload()