feat(identity): sync address book contacts

eslint-warning-thresholds.json

@@ -2,9 +2,6 @@
   "packages/accounts-controller/src/AccountsController.test.ts": {
     "import-x/namespace": 1
   },
-  "packages/address-book-controller/src/AddressBookController.ts": {
-    "jsdoc/check-tag-names": 13
-  },
   "packages/approval-controller/src/ApprovalController.test.ts": {
     "import-x/order": 1,
     "jest/no-conditional-in-test": 16

packages/address-book-controller/CHANGELOG.md

@@ -7,11 +7,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add `AddressBookControllerContactUpdatedEvent` and `AddressBookControllerContactDeletedEvent` types for contact events ([#5779](https://github.com/MetaMask/core/pull/5779))
+- Add `list` method on `AddressBookController` to get all address book entries as an array ([#5779](https://github.com/MetaMask/core/pull/5779))
+- Register message handlers for `list`, `set`, and `delete` actions ([#5779](https://github.com/MetaMask/core/pull/5779))
+
 ### Changed
 
 - Bump `@metamask/base-controller` from ^8.0.0 to ^8.0.1 ([#5722](https://github.com/MetaMask/core/pull/5722))
 - Bump `@metamask/controller-utils` to `^11.9.0` ([#5583](https://github.com/MetaMask/core/pull/5583), [#5765](https://github.com/MetaMask/core/pull/5765), [#5812](https://github.com/MetaMask/core/pull/5812))
 
+### Fixed
+
+- Fix `delete` method to clean up empty chainId objects when the last address in a chain is deleted ([#5779](https://github.com/MetaMask/core/pull/5779))
+
 ## [6.0.3]
 
 ### Changed