[WebGL] Avoid all contract-abi calls when custom abi passed

[0xFirekeeper]

Speeds up contract fetches by 10x+

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PR-Codex overview

This PR updates the thirdweb-unity-bridge.js file with changes related to hashing, encoding, and type validation functionalities.

Detailed summary

• Added functions for hashing messages and encoding data
• Updated type validation and error handling
• Improved support for EIP712 domain encoding

The following files were skipped due to too many changes: Assets/WebGLTemplates/Thirdweb/lib/thirdweb-unity-bridge.js

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[github-actions]

Test Results for iOS

  1 files  ±0   16 suites  ±0   8m 15s ⏱️ +9s
102 tests ±0  102 ✅ ±0  0 💤 ±0  0 ❌ ±0 
106 runs  ±0  106 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 401a0ce. ± Comparison against base commit 5456ad3.

[github-actions]

Test Results for StandaloneLinux64

  1 files  ±0   16 suites  ±0   7m 53s ⏱️ -8s
102 tests ±0  102 ✅ ±0  0 💤 ±0  0 ❌ ±0 
106 runs  ±0  106 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 401a0ce. ± Comparison against base commit 5456ad3.

[github-actions]

Test Results for Android

  1 files  ±0   16 suites  ±0   8m 19s ⏱️ +6s
102 tests ±0  102 ✅ ±0  0 💤 ±0  0 ❌ ±0 
106 runs  ±0  106 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 401a0ce. ± Comparison against base commit 5456ad3.

[github-actions]

Test Results for WebGL

  1 files  ±0   16 suites  ±0   8m 12s ⏱️ -7s
102 tests ±0  102 ✅ ±0  0 💤 ±0  0 ❌ ±0 
106 runs  ±0  106 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 401a0ce. ± Comparison against base commit 5456ad3.