Move messenger allowlist addition changelog entries to "Changed" heading

Author: MajorLift

packages/assets-controllers/CHANGELOG.md

@@ -11,8 +11,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- **BREAKING:** `TokenBalancesControllerMessenger` must allow the `AssetsContractController:getERC20BalanceOf` action in addition to its previous allowed actions ([#4397](https://github.com/MetaMask/core/pull/4397))
-- **BREAKING:** `NftControllerMessenger` must allow the following actions in addition to its previous allowed actions: `AssetsContractController:getERC721AssetName`, `AssetsContractController:getERC721AssetSymbol`, `AssetsContractController:getERC721TokenURI`, `AssetsContractController:getERC721OwnerOf`, `AssetsContractController:getERC1155BalanceOf`, `AssetsContractController:getERC1155TokenURI` ([#4397](https://github.com/MetaMask/core/pull/4397))
 - **BREAKING:** Add elements to the `AssetsContractController` class: ([#4397](https://github.com/MetaMask/core/pull/4397))
   - **BREAKING:** Add required constructor option `messenger`.
   - Add class field `messagingSystem`.
@@ -29,6 +27,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- **BREAKING:** `TokenBalancesControllerMessenger` must allow the `AssetsContractController:getERC20BalanceOf` action in addition to its previous allowed actions ([#4397](https://github.com/MetaMask/core/pull/4397))
+- **BREAKING:** `NftControllerMessenger` must allow the following actions in addition to its previous allowed actions: `AssetsContractController:getERC721AssetName`, `AssetsContractController:getERC721AssetSymbol`, `AssetsContractController:getERC721TokenURI`, `AssetsContractController:getERC721OwnerOf`, `AssetsContractController:getERC1155BalanceOf`, `AssetsContractController:getERC1155TokenURI` ([#4397](https://github.com/MetaMask/core/pull/4397))
 - **BREAKING:** The type of `SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID` is narrowed from `Record<Hex, string>` to the const-asserted literal properties of the `SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID` object ([#4397](https://github.com/MetaMask/core/pull/4397))
   - The index signature is restricted to the union of the enum keys of `SupportedTokenDetectionNetworks`.
   - The property value type is restricted to the type union of the addresses defined in the object.