Fix bug when viewing the commit diff page with non-ANSI files (#36149)

Fix #35504

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/setting/setting.go

@@ -240,4 +240,5 @@ func PanicInDevOrTesting(msg string, a ...any) {
 	if !IsProd || IsInTesting {
 		panic(fmt.Sprintf(msg, a...))
 	}
+	log.Error(msg, a...)
 }