This PR is to update the following UI changes in the connect and the new permissions page

Description

• Fix the Typography
• Update background color on Connect Page
• Don't show header on review permissions page

Related issues

Fixes:

Manual testing steps

1. Run extension with CHAIN_PERMISSIONS=1 yarn start
2. Check the following changes in Connect Page: Background color is fixed, Typography looks aligned with design, Bottom learn more message
3. Fix Permissions Page: Typography is fixed, the list item has border radius and proper padding, three dot menu replaced by Edit button

Screenshots/Recordings

Before

After

Connect Page

Permission Page

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension 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.