Integrate alex swaps with stacks transaction sponsor

[teebszet]

🔘 PR Type

• Bugfix
• Enhancement
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no API changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

📜 Background

UI for sponsored transactions on swaps. depends on a xverse-core change in 1.3.0

Issue Link: https://linear.app/xverseapp/issue/ENG-2400/implement-web-extension-ui-for-sponsorednon-sponsored-swaps
Context Link (if applicable):

🔄 Changes

• create a react hook for checking if a stacks-transaction-sponsor service is active
• integrate with hook when deciding to show "This transaction is sponsored" UI or not
• integrate with xverse-core to sponsor a swap transaction if the service is active

Impact:

• swaps sponsorship UI and broadcast transaction

🖼 Screenshot / 📹 Video

UI when sponsor is active:

UI when sponsor is not active:

✅ 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.

[linear]

ENG-2377 Integrate ALEX swaps with Stacks Transaction Sponsor

https://www.notion.so/xverseapp/Alex-Swap-905ae433f3894f59a24e530186aab3d4?pvs=4#e999f4a372194c7aa018d02a8aa6b866