Close video.js menu on click away

[bjester]

Summary

• The menus listen for any click events that occur outside of their bounds, and close themselves when that occurs
• The menus toggle closed when their main button is clicked and the menu is currently open

Reviewer guidance

Ensure this change does not interfere with captioning controls.

References

#6036

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Contributor Checklist

PR process:

• PR has the correct target branch and milestone
• PR has 'needs review' or 'work-in-progress' label
• If PR is ready for review, a reviewer has been added. (Don't use 'Assignees')
• If this is an important user-facing change, PR or related issue has a 'changelog' label
• If this includes an internal dependency change, a link to the diff is provided

Testing:

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
• Critical user journeys are covered by Gherkin stories
• Critical and brittle code paths are covered by unit tests

Reviewer Checklist

• Automated test coverage is satisfactory
• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md

[codecov]

Codecov Report

Merging #6371 into release-v0.13.x will decrease coverage by <.01%.
The diff coverage is n/a.

Impacted Files	Coverage Δ
kolibri/core/content/utils/check_schema_db.py	91.3% <0%> (-8.7%)	⬇️

[nucleogenesis]

LGTM 💯