修复双网时，己方发送的媒体消息，未对 remoteUrl 进行转换

Author: siqiii

src/wfc/messages/mediaMessageContent.js

@@ -45,6 +45,9 @@ export default class MediaMessageContent extends MessageContent {
         payload.localMediaPath = this.localPath;
         payload.remoteMediaUrl = this.remotePath ? this.remotePath : '';
         payload.mediaType = this.mediaType;
+        if (Config.urlRedirect){
+            this.remotePath = Config.urlRedirect(payload.remoteMediaUrl);
+        }
         return payload;
     }
 
@@ -54,7 +57,7 @@ export default class MediaMessageContent extends MessageContent {
         this.remotePath = payload.remoteMediaUrl;
         if (Config.urlRedirect){
             this.remotePath = Config.urlRedirect(payload.remoteMediaUrl);
-    }
+        }
         this.mediaType = payload.mediaType;
     }
 }