| Index: messageResponder.js | 
| =================================================================== | 
| --- a/messageResponder.js | 
| +++ b/messageResponder.js | 
| @@ -202,16 +202,19 @@ | 
| { | 
| return { | 
| devToolsPanel: info.platform == "chromium" || | 
| info.application == "firefox" && | 
| parseInt(info.applicationVersion, 10) >= 54 | 
| }; | 
| } | 
|  | 
| +    if (message.what == "senderId") | 
| +      return sender.page.id; | 
| + | 
| return info[message.what]; | 
| }); | 
|  | 
| port.on("app.listen", (message, sender) => | 
| { | 
| getListenerFilters(sender.page).app = message.filter; | 
| }); | 
|  | 
|  |