chore: strip trailing whitespace (#35969)

docs/fiddles/features/web-bluetooth/main.js

@@ -7,14 +7,14 @@ function createWindow () {
     height: 600,
     webPreferences: {
       preload: path.join(__dirname, 'preload.js')
-    }    
+    }
   })
 
   mainWindow.webContents.on('select-bluetooth-device', (event, deviceList, callback) => {
     event.preventDefault()
     if (deviceList && deviceList.length > 0) {
       callback(deviceList[0].deviceId)
-    } 
+    }
   })
 
   // Listen for a message from the renderer to get the response for the Bluetooth pairing.
@@ -27,14 +27,14 @@ function createWindow () {
     bluetoothPinCallback = callback
     // Send a message to the renderer to prompt the user to confirm the pairing.
     mainWindow.webContents.send('bluetooth-pairing-request', details)
-  })  
+  })
 
   mainWindow.loadFile('index.html')
 }
 
 app.whenReady().then(() => {
   createWindow()
-  
+
   app.on('activate', function () {
     if (BrowserWindow.getAllWindows().length === 0) createWindow()
   })