removed border from messages txs

[MHarisAshfaq]

What it solves

It will remove the border from the transactions in Messages tab.

Issue #3871 Resolves # 3871

How this PR fixes it

The sx prop is part of the MUI system, which allows you to apply styles to components directly I have put the border to none there. I have put code I below the Accordion element, which will remove the border and ensure that the pseudo-element is also removed.

sx={{ border: 'none', '&:before': { display: 'none' } }}

How to test it

you can visit https://app.safe.global/transactions/messages?safe=eth:0xA77DE01e157f9f57C7c4A326eeE9C4874D0598b6 URL where you will use list of transaction without border.

Screenshots

Checklist

• [Done] I've tested the branch on mobile 📱
• [No] I've documented how it affects the analytics (if at all) 📊
• [No(Not applicable)] I've written a unit/e2e test for it (if applicable) 🧑‍💻

[github-actions[bot]]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[MHarisAshfaq]

I have read the CLA Document and I hereby sign the CLA

[MHarisAshfaq]

recheck

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