Fix & Organize Tests

[0xFirekeeper]

PR-Codex overview

This PR focuses on improving test performance and code structure.

Detailed summary

• Updated test timeouts to 120000 milliseconds
• Modified cache duration from 250 to 25 milliseconds
• Refactored RPC response deserialization
• Reorganized test namespaces
• Added IsDeploying property to SmartWallet
• Improved deployment logic in SmartWallet

The following files were skipped due to too many changes: Thirdweb.Tests/Thirdweb.Contracts.Tests.cs, Thirdweb.Tests/Thirdweb.RPC.Tests.cs, Thirdweb.Tests/Thirdweb.Storage.Tests.cs, Thirdweb.Tests/Thirdweb.SmartWallet.Tests.cs, Thirdweb.Tests/Thirdweb.Http.Tests.cs, Thirdweb.Tests/Thirdweb.PrivateKeyWallet.Tests.cs, Thirdweb.Tests/Thirdweb.Utils.Tests.cs, Thirdweb.Tests/Thirdweb.Transactions.Tests.cs, Thirdweb.Tests/Thirdweb.Extensions/Thirdweb.Extensions.Tests.cs

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 48.14815% with 14 lines in your changes missing coverage. Please review.

Project coverage is 90.37%. Comparing base (58015f2) to head (4abeb21).
Report is 3 commits behind head on main.

Files	Patch %	Lines
...irdweb/Thirdweb.Wallets/SmartWallet/SmartWallet.cs	26.66%	6 Missing and 5 partials ⚠️
Thirdweb/Thirdweb.RPC/ThirdwebRPC.cs	75.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #42      +/-   ##
==========================================
- Coverage   90.59%   90.37%   -0.23%     
==========================================
  Files          24       24              
  Lines        2903     2919      +16     
  Branches      380      383       +3     
==========================================
+ Hits         2630     2638       +8     
- Misses        200      206       +6     
- Partials       73       75       +2     

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