[ZkTracer] Audit CodeQL warns

[amkCha]

As per pointed by @fluentcrafter, audit the CodeQL report and warnings

Some look legit and Shall be addressed, such as violation of Equals/Hashcode contract in MutableArrayWrappingBytes (edited) 

https://github.com/Consensys/linea-monorepo/pull/1903/checks?check_run_id=58078534803

If necessary, create new more specific issues to split tasks

[letypequividelespoubelles]

• https://github.com/Consensys/linea-monorepo/security/code-scanning/513, : not an issue and will be refact anyway
• https://github.com/Consensys/linea-monorepo/security/code-scanning/521: rm Bytes16 #1913
• https://github.com/Consensys/linea-monorepo/security/code-scanning/519
• https://github.com/Consensys/linea-monorepo/security/code-scanning/514 : not an issue
• https://github.com/Consensys/linea-monorepo/security/code-scanning/515: not an issue, and will disappear with asm mod
• https://github.com/Consensys/linea-monorepo/security/code-scanning/520
• https://github.com/Consensys/linea-monorepo/security/code-scanning/516, not an issue but is already refacto in [ZkTracer] feat: asm rlp utils #1901
• https://github.com/Consensys/linea-monorepo/security/code-scanning/518 [ZkTracer] codeQL: delete unused constants #1916