Update Authorized.sol

[Onze981]

Note

Implements Authorized contract details: custom error-based onlyAuthorized modifier, authorization events, idempotent add/remove restricted to owner, and simplified imports.

• Contracts — src/common/auth/Authorized.sol:
  • Add custom error OnlyAuthorized and onlyAuthorized modifier using it.
  • Define and emit AuthorizationAdded and AuthorizationRemoved events.
  • Implement idempotent addAuthorization/removeAuthorization restricted by onlyOwner.
  • Maintain authorized mapping and owner-initializing constructor.
  • Simplify imports to only IAuthorized (remove IAuthorizedEE).

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