fix: failing typescript check

Author: sofi-a

desktop/createDownloadQueue.ts

@@ -99,7 +99,7 @@ const createDownloadQueue: CreateDownloadQueue = () => {
                     } else if (state === 'completed') {
                         if (process.platform === 'darwin') {
                             const savePath = electronDownloadItem.getSavePath();
-                            app.dock.downloadFinished(savePath);
+                            app?.dock?.downloadFinished(savePath);
                         }
                         item.win.webContents.send(ELECTRON_EVENTS.DOWNLOAD_COMPLETED, {url: item.url});
                         resolve();

desktop/main.ts

@@ -307,7 +307,7 @@ const mainWindow = (): Promise<void> => {
 
     // Prod and staging set the icon in the electron-builder config, so only update it here for dev
     if (__DEV__) {
-        app.dock.setIcon(`${__dirname}/../icon-dev.png`);
+        app?.dock?.setIcon(`${__dirname}/../icon-dev.png`);
         app.setName('New Expensify Dev');
     }