fix: fix

Author: sahar-fehri

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

@@ -28,6 +28,7 @@ import type {
 import { HandlerType } from '@metamask/snaps-utils';
 import { Mutex } from 'async-mutex';
 import type { Draft } from 'immer';
+import { isEqual } from 'lodash';
 
 import { MAP_CAIP_CURRENCIES } from './constant';
 import type {
@@ -405,6 +406,12 @@ export class MultichainAssetsRatesController extends StaticIntervalPollingContro
     const allHistoricalPrices = this.state.historicalPrices;
     const cleanedHistoricalPrices =
       this.#removeExpiredEntries(allHistoricalPrices);
+
+    // do not update state if no changes
+    if (isEqual(allHistoricalPrices, cleanedHistoricalPrices)) {
+      return;
+    }
+
     this.update((state) => {
       state.historicalPrices = cleanedHistoricalPrices;
     });