fix: fix network filter on edit network (#29898)

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## **Description**
After editing a popular network name, MetaMask switched to that network,
but the token list is not updated, still showing the tokens from the
previously selected network. (and the view is on "Popular Networks")

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## **Related issues**

Fixes: #29866 

## **Manual testing steps**

1. Go to this page...
2.
3.

## **Screenshots/Recordings**

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### **Before**

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### **After**

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https://github.com/user-attachments/assets/ed9a942f-f508-4197-a1a1-077e0e24274f



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## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
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ui/pages/settings/networks-tab/networks-form/networks-form.test.js

@@ -12,13 +12,20 @@ import {
 } from '../../../../../shared/constants/network';
 import * as fetchWithCacheModule from '../../../../../shared/lib/fetch-with-cache';
 import { mockNetworkState } from '../../../../../test/stub/networks';
-import { addNetwork, updateNetwork } from '../../../../store/actions';
+import {
+  addNetwork,
+  setTokenNetworkFilter,
+  updateNetwork,
+} from '../../../../store/actions';
 import { NetworksForm } from './networks-form';
 
 jest.mock('../../../../../ui/store/actions', () => ({
   ...jest.requireActual('../../../../../ui/store/actions'),
   updateNetwork: jest.fn().mockReturnValue(jest.fn().mockResolvedValue()),
   addNetwork: jest.fn().mockReturnValue(jest.fn().mockResolvedValue()),
+  setTokenNetworkFilter: jest
+    .fn()
+    .mockReturnValue(jest.fn().mockResolvedValue()),
 }));
 
 const renderComponent = (props) => {
@@ -442,6 +449,7 @@ describe('NetworkForm Component', () => {
           replacementSelectedRpcEndpointIndex: undefined,
         },
       );
+      expect(setTokenNetworkFilter).toHaveBeenCalledTimes(1);
     });
   });
 });

ui/pages/settings/networks-tab/networks-form/networks-form.tsx

@@ -32,6 +32,7 @@ import { getNetworkConfigurationsByChainId } from '../../../../../shared/modules
 import {
   addNetwork,
   setEditedNetwork,
+  setTokenNetworkFilter,
   showDeprecatedNetworkModal,
   toggleNetworkMenu,
   updateNetwork,
@@ -66,6 +67,7 @@ import {
   DropdownEditor,
   DropdownEditorStyle,
 } from '../../../../components/multichain/dropdown-editor/dropdown-editor';
+import { getTokenNetworkFilter } from '../../../../selectors';
 import { useSafeChains, rpcIdentifierUtility } from './use-safe-chains';
 import { useNetworkFormState } from './networks-form-state';
 
@@ -113,6 +115,8 @@ export const NetworksForm = ({
   const [suggestedTicker, setSuggestedTicker] = useState<string>();
   const [fetchedChainId, setFetchedChainId] = useState<string>();
 
+  const tokenNetworkFilter = useSelector(getTokenNetworkFilter);
+
   const templateInfuraRpc = (endpoint: string) =>
     endpoint.endsWith('{infuraProjectId}')
       ? endpoint.replace('{infuraProjectId}', infuraProjectId ?? '')
@@ -267,6 +271,13 @@ export const NetworksForm = ({
                 : undefined,
           };
           await dispatch(updateNetwork(networkPayload, options));
+          if (Object.keys(tokenNetworkFilter).length === 1) {
+            await dispatch(
+              setTokenNetworkFilter({
+                [existingNetwork.chainId]: true,
+              }),
+            );
+          }
         } else {
           await dispatch(addNetwork(networkPayload));
         }