Fix RuboCop offenses for Lint/HashCompareByIdentity

What does this MR do?

This MR fixes offenses for 👮 Lint/HashCompareByIdentity which has been enabled in !55110 (merged).

Note, this MR is based on !55110 (merged).

Does this MR meet the acceptance criteria?

Conformity

• 📋 Does this MR need a changelog?
  • [-] I have included a changelog entry.
  • I have not included a changelog entry because it's developer-facing.
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content