fix: wallet loading

Author: reez

BDKSwiftExampleWallet/Resources/Localizable.xcstrings

@@ -421,6 +421,9 @@
           }
         }
       }
+    },
+    "Loading wallet..." : {
+
     },
     "Navigation Title" : {
       "extractionState" : "stale",

BDKSwiftExampleWallet/View Model/HomeViewModel.swift

@@ -14,6 +14,7 @@ class HomeViewModel: ObservableObject {
     let bdkClient: BDKClient
 
     var homeViewError: AppError?
+    var isWalletLoaded = false
     var showingHomeViewErrorAlert = false
 
     init(bdkClient: BDKClient = .live) {
@@ -23,6 +24,7 @@ class HomeViewModel: ObservableObject {
     func loadWallet() {
         do {
             try bdkClient.loadWallet()
+            isWalletLoaded = true
         } catch let error as DescriptorError {
             let errorMessage: String
             switch error {

BDKSwiftExampleWallet/View/HomeView.swift

@@ -12,22 +12,24 @@ struct HomeView: View {
     @Binding var navigationPath: NavigationPath
 
     var body: some View {
-
         ZStack {
             Color(uiColor: UIColor.systemBackground)
 
-            WalletView(
-                viewModel: .init(
-                    bdkClient: .live,
-                    priceClient: .live
-                ),
-                sendNavigationPath: $navigationPath
-            )
-            .tint(.primary)
-            .onAppear {
-                viewModel.loadWallet()
+            if !viewModel.isWalletLoaded {
+                ProgressView("Loading wallet...")
+            } else {
+                WalletView(
+                    viewModel: .init(
+                        bdkClient: .live,
+                        priceClient: .live
+                    ),
+                    sendNavigationPath: $navigationPath
+                )
+                .tint(.primary)
             }
-
+        }
+        .onAppear {
+            viewModel.loadWallet()
         }
         .alert(isPresented: $viewModel.showingHomeViewErrorAlert) {
             Alert(