test(KeyRegistry): add test coverage for Ownable2Step

[0xdevant]

Motivation

As mentioned on issue #262, I added few test cases to have test coverage for Ownable2Step for KeyRegistry contract.
Also formatted some contracts with forge fmt along the updates.

Change Summary

Added test cases for coverage on Ownable2Step for KeyRegistry contract, mainly are fuzz testings on transferring ownership to new owner and revert cases on unauthorized acceptance.

Merge Checklist

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PR-Codex overview

This PR focuses on code formatting improvements and the addition of new tests for ownership transfer functionality in the KeyRegistry. It enhances readability by reducing unnecessary line breaks and ensures consistency in array initializations.

Detailed summary

• Simplified array initializations in Bundler.gas.t.sol, BundlerTestSuite.sol, Bundler.t.sol, and KeyRegistryTestHelpers.sol.
• Combined parameters in constructor calls for Bundler, IdGateway, and KeyRegistry in BundlerTestSuite.sol and LocalDeploy.s.sol.
• Added new events in KeyRegistry.t.sol.
• Introduced new tests for ownership transfer functionality in KeyRegistryTest, including revert scenarios for non-owners and acceptance by new owners.

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[0xdevant]

Would appreciate a review from @varunsrin ✋

[boldrack]

Was this re-addressed in another PR ? surprised it's still opened from February since it was explicitly requested by an existing member of the repo. It was for a requested feat .