chore: initial linting fixes for JS in docs/fiddles (#37689)

docs/fiddles/tutorial-preload/main.js

@@ -1,30 +1,30 @@
-const { app, BrowserWindow } = require('electron');
-const path = require('path');
+const { app, BrowserWindow } = require('electron')
+const path = require('path')
 
 const createWindow = () => {
   const win = new BrowserWindow({
     width: 800,
     height: 600,
     webPreferences: {
-      preload: path.join(__dirname, 'preload.js'),
-    },
-  });
+      preload: path.join(__dirname, 'preload.js')
+    }
+  })
 
-  win.loadFile('index.html');
-};
+  win.loadFile('index.html')
+}
 
 app.whenReady().then(() => {
-  createWindow();
+  createWindow()
 
   app.on('activate', () => {
     if (BrowserWindow.getAllWindows().length === 0) {
-      createWindow();
+      createWindow()
     }
-  });
-});
+  })
+})
 
 app.on('window-all-closed', () => {
   if (process.platform !== 'darwin') {
-    app.quit();
+    app.quit()
   }
-});
+})