Refactor KeysView, ItemsView, and ValuesView imports

[gerlero]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors the import pattern for mapping view classes (KeysView, ItemsView, and ValuesView) to avoid naming conflicts with locally defined classes that have the same names.

• Imports KeysView, ItemsView, and ValuesView from collections.abc and typing with aliased names
• Updates class inheritance to use the aliased mapping view classes instead of the original names
• Removes type: ignore comments that were previously needed due to name redefinition

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