refactor(ContractCallResult): Added errorMessage, plain value and success flag

[freemanzMrojo]

Description

Refactor of the ContractCallResult type so includes an error message. This way the executeCall methods return a single type rather than 2.

plain value vs array value applies mainly to structs, so for the following contract method, the result would be:

    // Custom struct type
    struct ExampleStruct {
        uint id;
        string name;
    }

    function structData(ExampleStruct memory _structData) public pure returns (ExampleStruct memory) {
        return _structData;
    }

• plain: { id: 10n, name: 'test' }
• array: [[10n, 'test']] (structs are represented as nested arrays of values, tuple types would be a flattened array of values)

Closes #1438

Type of change

• Refactor of existing code

How Has This Been Tested?

Using the existing SDK codebase

Test Configuration:

• Node.js Version: 20.17.0
• Yarn Version: 1.22.19

Checklist:

• My code follows the coding standards of this project
• I have performed a self-review of my code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• New and existing integration tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

[github-actions]

Test Coverage

Summary

Lines	Statements	Branches	Functions
	99.06% (4350/4391)	97.71% (1413/1446)	99.11% (896/904)

Title	Tests	Skipped	Failures	Errors	Time
core	808	0 💤	0 ❌	0 🔥	2m 13s ⏱️
network	734	0 💤	0 ❌	0 🔥	4m 52s ⏱️
errors	42	0 💤	0 ❌	0 🔥	16.379s ⏱️