Fix #8462: Custom Networks list not updated when opened via browser settings

Sources/BraveWallet/Crypto/Stores/NetworkStore.swift

@@ -167,7 +167,7 @@ public class NetworkStore: ObservableObject, WalletObserverStore {
     self.isSwapSupported = await swapService.isSwapSupported(chain.chainId)
   }
 
-  @MainActor private func updateChainList() async {
+  @MainActor func updateChainList() async {
     // fetch all networks for all coin types
     self.allChains = await rpcService.allNetworksForSupportedCoins(respectTestnetPreference: false)
 

Sources/BraveWallet/Settings/CustomNetworkListView.swift

@@ -138,6 +138,9 @@ struct CustomNetworkListView: View {
       }
       .navigationViewStyle(StackNavigationViewStyle())
     }
+    .task {
+      await networkStore.updateChainList()
+    }
   }
 }