Inject providers individually

[victorkirov]

🔘 PR Type

What kind of change does this PR introduce?

• [x] Bugfix
• [x] Enhancement

📜 Background

Currently leather injects stacks provider immutably. This breaks our injection of the stacks and btc providers since we inject them together. We need to inject them one by one.

✅ Review checklist

Please ensure the following are true before merging:

• [ ] Code Style is consistent with the project guidelines.
• [ ] Code is readable and well-commented.
• [ ] No unnecessary or debugging code has been added.
• [ ] Security considerations have been taken into account.
• [ ] The change has been manually tested and works as expected.
• [ ] Breaking changes and their impacts have been considered and documented.
• [ ] Code does not introduce new technical debt or issues.

[github-actions[bot]]

Test with build here: https://github.com/secretkeylabs/xverse-web-extension/actions/runs/7889166250