Responsive side menu fix

[zulalnb]

First thing, PLEASE READ THIS: ReactPlay Code Review Checklist

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

I provided the expanded hamburger menu to not display when the browser window is resized greater than 768px.

Fixes #713

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce.

I resized the browser window.

Checklist:

• [x] I have performed a self-review of my own code
• [x] My changes generate no new warnings

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Name	Status	Preview	Updated
react-play	✅ Ready (Inspect)	Visit Preview	Oct 18, 2022 at 0:52AM (UTC)