Account Unlinking

[0xFirekeeper]

Closes CNCT-2627

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PR-Codex overview

This PR focuses on implementing the UnlinkAccount functionality across various wallet classes, enhancing the account management capabilities of the Thirdweb wallet system.

Detailed summary

• Added UnlinkAccount method to PrivateKeyWallet with an exception message.
• Defined UnlinkAccount in IThirdwebWallet interface with XML documentation.
• Updated LinkedAccount struct in InAppWallet.Types.cs to include JSON properties.
• Implemented UnlinkAccount in SmartWallet, checking for wallet types.
• Added UnlinkAccountAsync in EmbeddedWallet for server-side unlinking.
• Implemented UnlinkAccount in EcosystemWallet, ensuring the wallet is connected.
• Enhanced ServerBase with UnlinkAccountAsync method for server interaction.
• Updated commented-out code in Program.cs to demonstrate unlinking functionality.

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[linear]

CNCT-2627 Add unlinking for in app/ecosystem wallet

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 77.96%. Comparing base (429187d) to head (de8b8ad).

Files with missing lines	Patch %	Lines
...irdweb/Thirdweb.Wallets/SmartWallet/SmartWallet.cs	0.00%	7 Missing ⚠️
...rdweb.Wallets/PrivateKeyWallet/PrivateKeyWallet.cs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #107      +/-   ##
==========================================
- Coverage   78.23%   77.96%   -0.27%     
==========================================
  Files          28       28              
  Lines        4488     4497       +9     
  Branches      619      620       +1     
==========================================
- Hits         3511     3506       -5     
- Misses        812      826      +14     
  Partials      165      165              

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