fix: add linea mainnet to nft detection supported networks (#4515)

## Explanation

PR to add linea mainnet to the list of supported networks for
nftDetection.

## References

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* Fixes #12345
* Related to #67890
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### `@metamask/assets-controllers`

- **ADDED**: Added linea mainnet chainId to the list of supported
networks for nft auto-detection.


## Checklist

- [ ] I've updated the test suite for new or updated code as appropriate
- [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [ ] I've highlighted breaking changes using the "BREAKING" category
above as appropriate

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

@@ -1,6 +1,10 @@
 import type { AccountsController } from '@metamask/accounts-controller';
 import { ControllerMessenger } from '@metamask/base-controller';
-import { NFT_API_BASE_URL, ChainId } from '@metamask/controller-utils';
+import {
+  NFT_API_BASE_URL,
+  ChainId,
+  InfuraNetworkType,
+} from '@metamask/controller-utils';
 import {
   NetworkClientType,
   defaultState as defaultNetworkState,
@@ -385,6 +389,47 @@ describe('NftDetectionController', () => {
     );
   });
 
+  it('should detect NFTs on Linea mainnet', async () => {
+    const selectedAddress = '0x1';
+    const selectedAccount = createMockInternalAccount({
+      address: selectedAddress,
+    });
+    const mockGetSelectedAccount = jest.fn().mockReturnValue(selectedAccount);
+
+    await withController(
+      {
+        mockNetworkState: {
+          selectedNetworkClientId: InfuraNetworkType['linea-mainnet'],
+        },
+        mockGetSelectedAccount,
+      },
+      async ({ controller, controllerEvents }) => {
+        controllerEvents.triggerPreferencesStateChange({
+          ...getDefaultPreferencesState(),
+          useNftDetection: true,
+          selectedAddress,
+        });
+        // nock
+        const mockApiCall = nock(NFT_API_BASE_URL)
+          .get(`/users/${selectedAddress}/tokens`)
+          .query({
+            continuation: '',
+            limit: '50',
+            chainIds: '59144',
+            includeTopBid: true,
+          })
+          .reply(200, {
+            tokens: [],
+          });
+
+        // call detectNfts
+        await controller.detectNfts();
+
+        expect(mockApiCall.isDone()).toBe(true);
+      },
+    );
+  });
+
   it('should detect mainnet falsy', async () => {
     await withController(
       {

packages/assets-controllers/src/NftDetectionController.ts

@@ -56,7 +56,10 @@ export type NftDetectionControllerMessenger = RestrictedControllerMessenger<
   AllowedActions['type'],
   AllowedEvents['type']
 >;
-const supportedNftDetectionNetworks: Hex[] = [ChainId.mainnet];
+const supportedNftDetectionNetworks: Hex[] = [
+  ChainId.mainnet,
+  ChainId['linea-mainnet'],
+];
 
 /**
  * @type ApiNft