fix: lint issues

Author: micaelae

ui/ducks/bridge/selectors.ts

@@ -11,7 +11,9 @@ import { BigNumber } from 'bignumber.js';
 import { calcTokenAmount } from '@metamask/notification-services-controller/push-services';
 import {
   MultichainNetworks,
+  ///: BEGIN:ONLY_INCLUDE_IF(solana-swaps)
   MULTICHAIN_PROVIDER_CONFIGS,
+  ///: END:ONLY_INCLUDE_IF
 } from '../../../shared/constants/multichain/networks';
 import {
   getIsBridgeEnabled,

ui/hooks/bridge/useBridgeExchangeRates.ts

@@ -1,5 +1,6 @@
 import { useEffect } from 'react';
 import { useDispatch, useSelector } from 'react-redux';
+import { isStrictHexString } from '@metamask/utils';
 import {
   getBridgeQuotes,
   getQuoteRequest,
@@ -43,7 +44,7 @@ export const useBridgeExchangeRates = () => {
 
   // Fetch exchange rates for selected src token if not found in marketData
   useEffect(() => {
-    if (fromChainId && fromTokenAddress) {
+    if (fromChainId && fromTokenAddress && isStrictHexString(fromChainId)) {
       const exchangeRate = exchangeRateFromMarketData(
         fromChainId,
         fromTokenAddress,