Disable sidebar when recording media

[ayushnirwal]

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User-facing changes

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• This is a non-user-facing change and requires no QA

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• This PR addresses an existing issue and I have linked this PR to it in ZenHub
• I have tested this code to the best of my abilities
• I have verified accessibility to the best of my abilities (docs)
• I have verified i18n and l10n (translation, right-to-left layout) to the best of my abilities
• This code is covered by automated tests (unit, integration, and/or e2e) to verify it works as intended (docs)
• I have added documentation where necessary
• I have added a matching Type: XYZ label to the PR

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Fixes #12034

[swissspidy]

Closing for now as this probably doesn't fix all situations, so a little bit more discussion is needed