Shift+enter when editing widget URLs in Scalar open a new window and throw an error

[turt2live]

Description

Very minor bug, but it's probably best to catch this key combination and ignore it or treat it as plain Enter.

Steps to reproduce

• Open widget add/edit screen
• Shift+Enter in the url field

Log: not sent

Version information

• Platform: web (in-browser)
• Browser: Chrome 60
• OS: Windows 10
• URL: riot.im/develop