main: fix external link not working correctly

src/renderer/utils/index.ts

@@ -4,7 +4,7 @@ export default class Utils {
   }
 
   static async openExternal(url: string): Promise<void> {
-    await window.mainApi.openExternal(url)
+    await window.mainApi.send('msgOpenExternalLink', url)
   }
 }