Fix Cannot read properties of undefined (reading 'mediaStage') in message.js (#2556)

* Update Message.js

Fix Cannot read properties of undefined (reading 'mediaStage') when msg or msg.mediaData is undefined.

* node 13 compatible

---------

Co-authored-by: alechkos <93551621+alechkos@users.noreply.github.com>

src/structures/Message.js

@@ -431,7 +431,7 @@ class Message extends Base {
 
         const result = await this.client.pupPage.evaluate(async (msgId) => {
             const msg = window.Store.Msg.get(msgId);
-            if (!msg) {
+            if (!msg || !msg.mediaData) {
                 return undefined;
             }
             if (msg.mediaData.mediaStage != 'RESOLVED') {