Apply fixes from StyleCI

[mechelon]

This pull request applies code style fixes from an analysis carried out by StyleCI.

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[what-the-diff]

PR Summary

• Resolve User
  Enhances the process of identifying and handling users
• Resolve Parent of an entity
  Improves the way our software deals with finding the parent object of a specific entity
• Resolve Parent
  Addresses the detection and management of parent objects in general
• Resolve Relations (not in diff)
  Optimizes the handling and identification of relationships between entities not covered in the previous changes