…tail modal. (#14498)

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## **Description**
Block explorer link should be displayed for default networks

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also include relevant motivation and context. Have in mind the following
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1. What is the reason for the change?
2. What is the improvement/solution?
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## **Related issues**

Fixes: #14497 

## **Manual testing steps**

1. Install MM
2. Recover from SRP
3. Select Linea Sepolia network
4. Send a transaction
5. Click on Transaction tab
6. Verify the 'Click on Explorer' button is displayed

## **Screenshots/Recordings**

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before and after of your change. -->

### **Before**

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### **After**

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https://github.com/user-attachments/assets/80c5f382-1a57-44ff-bd64-f4a4f1d87d1d



## **Pre-merge author checklist**

- [ ] I’ve followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [ ] I've completed the PR template to the best of my ability
- [ ] I’ve included tests if applicable
- [ ] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [ ] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.