Closes #2572,

Summary

Plyr has put forth an update that should address the volume control going missing for some users.

Removed logic to hide/show volume controls based on audio track detection due to it's problematic nature. If you want to hide volume control, use the controls option to do so.

https://github.com/sampotts/plyr/releases

Steps to test

1. Check video player all working properly
2. Make sure that you can see the volume control on Chrome and Firefox

Estimated Regression Scope

If there's a broken change, that is not in our control. Branch has been officially released.

added scoped labels

Let's get this one closed off and make way for forking the ngx-plyr wrapper and fixing the type / update errors there

added 75 commits

• d99379c4...18d19ab7 - 74 commits from branch master
• afdef14c - Merge remote-tracking branch 'origin/master' into chore/plyr-upgrade-2572

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