chore: Migrated Enzyme to RNTL in test files from component-library

[devin-ai-integration]

Description

Migration of unit tests from Enzyme to React Native Testing Library (RNTL) for BadgeBase and SheetBottom components.

Motivation:

The migration is part of an effort to standardize testing practices and utilize the more current and robust features of RNTL.

Solution:

Updated test files to use RNTL's API, ensuring tests are more maintainable and aligned with current standards.

Related issues

N/A

Manual testing steps

1. Ensure the app builds correctly.
2. Run the updated tests using yarn jest <folder_name> --updateSnapshot and confirm they pass.

Screenshots/Recordings

N/A

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.