Fix an issue that cause compilation failure

[alessandroboron]

Task/Issue URL: https://app.asana.com/0/1201037661562251/1208822723600157/f

Description:

Fix compilation issue for Xcode 15 due to usage of [@retroactive](https://github.com/swiftlang/swift-evolution/blob/main/proposals/0364-retroactive-conformance-warning.md#source-compatibility) keyword.

Silence the warning by fully qualifying the protocol name with module name.

Optional E2E tests:

• [ ] Run PIR E2E tests Check this to run the Personal Information Removal end to end tests. If updating CCF, or any PIR related code, tick this.

Steps to test this PR:

1. Ensure Xcode doesn’t show a warning for extension File: Swift.Equatable, Swift.Hashable

Definition of Done:

• [ ] Does this PR satisfy our Definition of Done?

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Internal references:

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