Adds values of unamed array to additional data

[rkodev]

Currenty serialization of an array of arrays into additional data results in a complete loss of the data in the array. Additional data can only hold a key value pair i.e if an array is a direct decendant of an array the values are lost.

This fix introduces a constant ArraysAdditionalData in the additional data and saves the unnamed arrays to the value and prevent data loss

A possible fix for microsoftgraph/msgraph-sdk-go#473

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

70.6% Coverage
0.0% Duplication

Catch issues before they fail your Quality Gate with our IDE extension SonarLint

[baywet]

There's one thing I don't understand. You added this Json struct that seems to be designed to represent arbitrary JSON.
But you're not using it to wrap around this special case, instead relying on a "magic key" and a lot of type assertions.
Wouldn't it be better from an API surface perspective to have something that can hold arbitrary JSON, with a clean API surface (isArray, getItem, etc...) and return that instead? Arguably it'd kind of duplicate some of the JsonParseNode work and instead we should add missing methods to Json parse node instead.

[github-actions]

This pull request has conflicting changes, the author must resolve the conflicts before this pull request can be merged.