style: remove row-gap overwritting style in MuiAccordion

[DiogoSoaress]

What it solves

Resolves #3509

How this PR fixes it

Removes style that was suppressing row-gap in the last MUI accordion for no apparent reason

How to test it

Open a transaction deeplink view and the layout shall not be cramped anymore.

Screenshots

[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}

[DiogoSoaress]

The removed style doesn't seem to be have any practical effect other than not cramping the last accordion content which I believe it's a leftover style. I've tested how it affects the layout and doesn't seem to have any negative impact.

[github-actions]

Deployment links

🟠 Rinkeby	⚪ Mainnet	🟣 Polygon	🟡 BSC	⚫ Arbitrum	🟢 Gnosis Chain

[coveralls]

Pull Request Test Coverage Report for Build 1847670315

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 33.492%

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Totals
Change from base Build 1845972783:	0.0%
Covered Lines:	3228
Relevant Lines:	8613

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💛 - Coveralls

[github-actions]

E2E Tests Failed
Check the results here: https://github.com/gnosis/safe-react-e2e-tests/actions/runs/1847721838

Failed tests:

• ❌ Read-only transaction creation and review Read-only transaction creation and review
• ❌ Safe Balances Safe Balances

[francovenica]

Looks good now. thanks