feat(ui-ux): redirect token summary link to metascan for evm

[lykalabrada]

What this PR does / why we need it:

Which issue(s) does this PR fixes?:

Fixes DFC-339

Additional comments?:

Developer Checklist:

• [ ] Read your code changes at least once
• [ ] Tested on iOS/Android device (e.g, No crashes, library supported etc.)
• [ ] No console errors on web
• [ ] Tested on Light mode and Dark mode*
• [ ] Your UI implementation visually matched the rendered design*
• [ ] Unit tests*
• [ ] Added e2e tests*
• [ ] Added translations*

[linear[bot]]

DFC-339 Redirect DST20 token to metascan when EVM toggle is enabled

On token detail screen, when user click on link, redirect to metascan contract detail page [image.png](https://uploads.linear.app/ed7438a1-0dae-40df-9d75-9ba5b0ba89d2/28ebec84-4683-438f-8aad-9de7e4c82678/6d283e2c-0f15-46d8-8a09-633db653e428)

[github-actions[bot]]

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[github-actions[bot]]

Build preview for DeFiChain Wallet is ready!

Built with commit 5b79622292837b4e20825417f6c300be25a9a2f3

https://expo.io/@defichain/wallet?release-channel=pr-preview-4098