White bottom space after exit from VR mode

[jgutierro]

Description:

• A-Frame Version: cd01cec master commit but also happening with 1.0.4
• Platform / Device: iOS 13.4.1
• Reproducible Code Snippet or URL: https://app.estudiocactus.com/clickandrender/

Once you enable de VR mode and exit to potrait again a white space at the bottom appears.
VIDEO: https://streamable.com/tw439e

[dmarcos]

This looks like an iOS regression. More info at https://stackoverflow.com/questions/62717621/white-space-at-page-bottom-after-device-rotation-in-ios-safari