feat: Fixed displaying banner and certificates on mobile view (palm.master)

[vladislavkeblysh]

• Fixed displaying banner on mobile view
• Fixed displaying list of certificates on mobile view

[openedx-webhooks]

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[e0d]

@vladislavkeblysh seeing some linting failures.

[vladislavkeblysh]

@e0d Fixed

[justinhynes]

I'll be reviewing this today.

[openedx-webhooks]

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