refactor(ramp): refactor get started copy

[wachunei]

Description

This PR refactors the copy in the Get Started welcome view of the Buy flow

Manual testing steps

1. With a fresh install confirm the copy changes when opening the Buy flow

Screenshots/Recordings

If applicable, add screenshots and/or recordings to visualize the before and after of your change.

Before

After

Related issues

Fixes #???

Pre-merge author checklist

• I’ve followed MetaMask Coding Standards.
• I've clearly explained:
  • What problem this PR is solving.
  • How this problem was solved.
  • How reviewers can test my changes.
• I’ve indicated what issue this PR is linked to: Fixes #???
• I’ve included tests if applicable.
• I’ve documented any added code.
• I’ve applied the right labels on the PR (see labeling guidelines).
• I’ve properly set the pull request status:
  • In case it's not yet "ready for review", I've set it to "draft".
  • In case it's "ready for review", I've changed it from "draft" to "non-draft".

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.

[codecov-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (8636b3e) 34.59% compared to head (14e6bda) 34.62%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7390      +/-   ##
==========================================
+ Coverage   34.59%   34.62%   +0.02%     
==========================================
  Files        1017     1017              
  Lines       27150    27157       +7     
  Branches     2211     2215       +4     
==========================================
+ Hits         9393     9402       +9     
+ Misses      17268    17265       -3     
- Partials      489      490       +1     

Files	Coverage Δ
...components/UI/Ramp/Views/GetStarted/GetStarted.tsx	100.00% <ø> (ø)

... and 16 files with indirect coverage changes

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[sethkfman]

LGTM