Fix: close banner only for the session; shift sidebar drawer

[katspaugh]

What it solves

The sidebar needs to shift down when the banner is open.

Also store the closed state in the session storage, not in the local storage.

[github-actions]

CLA Assistant Lite All Contributors have signed the CLA.

[github-actions]

ESLint Summary View Full Report

Annotations are provided inline on the Files Changed tab. You can also see all annotations that were generated on the annotations page.

Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: ✅ success
• Annotations: 0 total

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^{Report generated by eslint-plus-action}

[coveralls]

Pull Request Test Coverage Report for Build 3241804045

• 4 of 6 (66.67%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.02%) to 41.921%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/components/PsaBanner/index.tsx	0	2	0.0%

Files with Coverage Reduction	New Missed Lines	%
src/components/SafeListSidebar/style.ts	1	0%

Totals
Change from base Build 3241113817:	0.02%
Covered Lines:	4777
Relevant Lines:	10403

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💛 - Coveralls

[DiogoSoaress]

Nice! I had it working with classes but you nailed it more elegantly. Thank you