fix: Nit refactor

Author: sahar-fehri

packages/assets-controllers/CHANGELOG.md

@@ -9,12 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- **BREAKING:** Add event `MultichainAssetsController:accountAssetListUpdated` in MultichainAssetsController to notify when new assets are detected for an account ([#5761](https://github.com/MetaMask/core/pull/5761))
+- Add event `MultichainAssetsController:accountAssetListUpdated` in MultichainAssetsController to notify when new assets are detected for an account ([#5761](https://github.com/MetaMask/core/pull/5761))
 
 ### Changed
 
-- **BREAKING:** remove subscription to `MultichainAssetsController:stateChange` in `MultichainAssetsRatesController` and add subscription to `MultichainAssetsController:accountAssetListUpdated` ([#5761](https://github.com/MetaMask/core/pull/5761))
-- **BREAKING:** remove subscription to `MultichainAssetsController:stateChange` in `MultichainBalancesController` and add subscription to `MultichainAssetsController:accountAssetListUpdated` ([#5761](https://github.com/MetaMask/core/pull/5761))
+- **BREAKING:** Removed subscription to `MultichainAssetsController:stateChange` in `MultichainAssetsRatesController` and add subscription to `MultichainAssetsController:accountAssetListUpdated` ([#5761](https://github.com/MetaMask/core/pull/5761))
+- **BREAKING:** Removed subscription to `MultichainAssetsController:stateChange` in `MultichainBalancesController` and add subscription to `MultichainAssetsController:accountAssetListUpdated` ([#5761](https://github.com/MetaMask/core/pull/5761))
 
 ## [61.0.0]
 

packages/assets-controllers/src/MultichainBalancesController/MultichainBalancesController.test.ts

@@ -471,6 +471,7 @@ describe('MultichainBalancesController', () => {
         type: SolAccountType.DataAccount,
       },
     ];
+
     it('updates balances when receiving "MultichainAssetsController:accountAssetListUpdated" event and state is empty', async () => {
       const mockSolanaAccountId1 = mockListSolanaAccounts[0].id;
       const mockSolanaAccountId2 = mockListSolanaAccounts[1].id;

packages/assets-controllers/src/MultichainBalancesController/MultichainBalancesController.ts

@@ -186,7 +186,7 @@ export class MultichainBalancesController extends BaseController<
             assets: [...added],
           }),
         );
-        await this.#updateBalancesForAccounts(newAccountAssets);
+        await this.#handleOnAccountAssetListUpdated(newAccountAssets);
       },
     );
   }
@@ -196,7 +196,7 @@ export class MultichainBalancesController extends BaseController<
    *
    * @param accounts - The accounts to update the balances for.
    */
-  async #updateBalancesForAccounts(
+  async #handleOnAccountAssetListUpdated(
     accounts: {
       accountId: string;
       assets: CaipAssetType[];