refactor: replace Typography with Text component in signature-request-original.component.js

[devin-ai-integration]

Description

This pull request replaces the Typography component with the new Text component in the signature-request-original.component.js file. This change is part of a larger effort to migrate from the old Typography component to the new Text component across the codebase.

1. Reason for the change: To modernize our component usage and ensure consistency across the UI.
2. Improvement/solution: The Text component provides more flexibility and better alignment with our current design system.

Devin Run Link : https://preview.devin.ai/devin/d07ca7670f6244788fb224fb91f54586

Related issues

Partially Fixes: #17670

Manual testing steps

1. Go to the latest build of storybook in this PR
2. Navigate to the SignatureRequestOriginal component
3. Verify that the component renders correctly with the new Text component
4. Check that all text elements maintain their previous styling and layout

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Coding Standards.
• 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 format if applicable
• I've applied the right labels on the PR (see labeling guidelines). 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.

This Devin run was requested by George.

If you have any feedback, you can leave comments in the PR and I'll address them in the app!

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[georgewrmarshall]

Removing unneeded styles as this is covered by the Text component https://github.com/MetaMask/metamask-extension/pull/27076/files#diff-0b1e3dca811d174401e32d4e02e4f70ebf269526c26c58f788cb7c3f0ee28ce0R216

[georgewrmarshall]

Also removing unused styles as request-signature__warning classname doesn't exist

[georgewrmarshall]

Removing unneeded styles as this is covered by the Text component https://github.com/MetaMask/metamask-extension/pull/27076/files#diff-0b1e3dca811d174401e32d4e02e4f70ebf269526c26c58f788cb7c3f0ee28ce0R199

[georgewrmarshall]

Removing unneeded styles as this is covered by the Text component https://github.com/MetaMask/metamask-extension/pull/27076/files#diff-0b1e3dca811d174401e32d4e02e4f70ebf269526c26c58f788cb7c3f0ee28ce0R228

[georgewrmarshall]

Removing unneeded styles as this is covered by the Text component https://github.com/MetaMask/metamask-extension/pull/27076/files#diff-0b1e3dca811d174401e32d4e02e4f70ebf269526c26c58f788cb7c3f0ee28ce0R233

[sonarcloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud