Don't show erroneous "This event has no content" text for files"

src/libneochat/texthandler.cpp

@@ -570,7 +570,8 @@ QVariantMap TextHandler::getAttributes(const QString &tag, const QString &tagStr
 QList<MessageComponent>
 TextHandler::textComponents(QString string, Qt::TextFormat inputFormat, const NeoChatRoom *room, const Quotient::RoomEvent *event, bool isEdited)
 {
-    if (string.trimmed().isEmpty()) {
+    if (string.trimmed().isEmpty() && event->is<Quotient::RoomMessageEvent>()
+        && !eventCast<const Quotient::RoomMessageEvent>(event)->has<Quotient::EventContent::FileContentBase>()) {
         return {MessageComponent{MessageComponentType::Text, i18n("<i>This event does not have any content.</i>"), {}}};
     }