[RQ-510] fix: updated react-icons imports for improving bundle size

[wrongsahil]

📜 Summary of changes:

Bundle Size decreased from 6.6MB -> 3.4MB (50% improvement)

Using imports from @react-icons/all-files
react-icons/react-icons#154 (comment)

Installing react-icons from github releases as npm isn't supported for latest versions
react-icons/react-icons#593 (comment)

✅ Checklist:

• Make sure linting and unit tests pass.
• No install/build warnings introduced.
• Verified UI in browser.
• For UI changes, added/updated analytics events (if applicable).
• For changes in extension's code, manually tested in Chrome and Firefox.
• For changes in extension's code, both MV2 and MV3 are covered.
• Added/updated unit tests for this change.
• Raised pull request to update corresponding documentation (if already exists).

🧪 Test instructions:

🔗 Other references: