Allow multiple recipients in Ledger BTC flow

[Imamah-Zafar]

🔘 PR Type

What kind of change does this PR introduce?

• 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

Allows multiple btc and ordinal recipients.
Core changes: secretkeylabs/xverse-core#165

Issue Link: #[issue_number]
Context Link (if applicable):

🔄 Changes

Changes type of recipient to array.

🖼 Screenshot / 📹 Video

Include screenshots or a video demonstrating the changes. This is especially helpful for UI changes.

✅ 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.

🧪 Testing Instruction

All the ledger transactions , BTC (single and multiple recipients), ordinals and BRC20 transfers need to be tested to ensure that everything works as expected