Can not login using Metamask browser

[outlawcode]

Describe the bug
Can not login using Metamask browser

To Reproduce
Steps to reproduce the behavior:

1. Go to browser of metamask.
2. View the demo page
3. Click on Google / Facebook button
4. With Google, nothing happen when click on button. With Facebook, after logged in, the page is not go back to the preview page.

Smartphone (please complete the following information):

• OS: iOS
• Browser: Metamask browser or Safepal browser