Scrollbar is shown when font is changed to Open Sans in a multiline InputBase.

• I have searched the issues of this repository and believe that this is not a duplicate.
• This is not a v0.x issue.

Steps to Reproduce 🕹

Link: https://codesandbox.io/s/4wnr43oqq9

Your Environment 🌎