chore: Update package dependencies and optimize imports

[tyhonchik]

Description

Add wagmi v3 support and optimize imports

• wagmi v3 compatibility: Updated peer dependency from ^2.19.0 to ^2.19.0 || ^3.0.0 (non-breaking, supports both v2 and v3)
• Import path optimization: Moved chain definitions from wagmi/chains to viem/chains (the canonical source, works with both v2 and v3)
• Removed overrides: Eliminated @reown/appkit version override that is no longer needed

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Developer Checklist:

• Manually smoke tested the functionality locally
• Confirmed there are no new warnings or errors in the browser console
• Made the corresponding changes to the documentation
• Added tests that prove my fix is effective or that my feature works
• (For User Stories only) Double-checked that all Acceptance Criteria are satisified
• Confirmed there are no new warnings on automated tests
• Selected the correct base branch
• Commented the code in hard-to-understand areas
• Followed the code style guidelines of this project
• Reviewed that the files changed in GitHub’s UI reflect my intended changes
• Confirmed the pipeline checks are not failing

Review Checklist:

• Tested locally that all Acceptance Criteria or Expected Outcomes are satisfied
• Confirmed that changes follow the code style guidelines of this project

[linear]

APP-468 Update wagmi to the latest version

[arabot-1]

🚀 Preview Deployment: View Here

[milosh86]

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