Recursion to iterative at JSON merger

[EastWindShak]

JSON merger uses recursive method to perform the merger to go through all levels of the JSON file. As @maybeec pointed, this can reach a memory overflow state for large JSON files. Currently, both implemented mergers (Sencha Architect and Generic JSON merger) are using recursion.

[github-actions]

Stale topic. Please negotiate closing or discussing the relevance of this ticket.