DYN-4421 Disable the textSearch, filter and sort

src/DynamoCoreWpf/UI/GuidedTour/GuidesValidationMethods.cs

@@ -357,6 +357,7 @@ private static void PackageManagerViewModel_PropertyChanged(object sender, Syste
                     searchPackagesLoaded = true;
 
                     EnableNextButton(null, uiAutomationData, true, GuideFlow.FORWARD);
+                    packageManagerViewModel.DisableSearchTextBox();
 
                     //Unsubscribe from the PropertyChanged event otherwise it will enter everytime the SearchTextBox is updated
                     packageManagerViewModel.PropertyChanged -= searchPackagesPropertyChanged.Invoke;

src/DynamoCoreWpf/ViewModels/PackageManager/PackageManagerSearchViewModel.cs

@@ -610,6 +610,7 @@ public bool CanSetSortingKey(object par)
         }
 
         public event EventHandler<PackagePathEventArgs> RequestShowFileDialog;
+        public event EventHandler<PackagePathEventArgs> RequestDisableTextSearch;
         public virtual void OnRequestShowFileDialog(object sender, PackagePathEventArgs e)
         {
             if (RequestShowFileDialog != null)
@@ -980,5 +981,16 @@ public void ExecuteSelected()
 
             SearchResults[SelectedIndex].Model.Execute();
         }
+
+        /// <summary>
+        /// Once the sample package is filled in the textbox search we rise the event to the view to disable the actions to change it , filter and sort it.
+        /// </summary>
+        public void DisableSearchTextBox()
+        {
+            if (RequestDisableTextSearch != null)
+            {
+                RequestDisableTextSearch(null, null);
+            }
+        }
     }
 }

src/DynamoCoreWpf/Views/PackageManager/PackageManagerSearchView.xaml

@@ -334,7 +334,7 @@
                                Visibility="{Binding Path=SearchText, Converter={StaticResource NonEmptyStringToCollapsedConverter}}" />
 
                     <!--  'X' button to reset search query text  -->
-                    <Button Margin="10"
+                    <Button Name="clearSearchTextBox" Margin="10"
                             HorizontalAlignment="Right"
                             Command="{Binding ClearSearchTextBoxCommand}"
                             Cursor="Hand"

src/DynamoCoreWpf/Views/PackageManager/PackageManagerSearchView.xaml.cs

@@ -30,14 +30,24 @@ public PackageManagerSearchView(PackageManagerSearchViewModel pm)
             InitializeComponent();
             ViewModel.RegisterTransientHandlers();
             ViewModel.RequestShowFileDialog += OnRequestShowFileDialog;
+            ViewModel.RequestDisableTextSearch += ViewModel_RequestDisableTextSearch;
             Logging.Analytics.TrackScreenView("PackageManager");
         }
 
+        private void ViewModel_RequestDisableTextSearch(object sender, PackagePathEventArgs e)
+        {
+            this.searchTextBox.IsEnabled = false;
+            this.clearSearchTextBox.IsEnabled = false;
+            this.filterResultsButton.IsEnabled = false;
+            this.sortResultsButton.IsEnabled = false;
+        }
+
         protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
         {
             var viewModel = DataContext as PackageManagerSearchViewModel;
 
             ViewModel.RequestShowFileDialog -= OnRequestShowFileDialog;
+            ViewModel.RequestDisableTextSearch -= ViewModel_RequestDisableTextSearch;
             viewModel.UnregisterTransientHandlers();
 
             // Clears the search text so that the 'Please Wait' prompt appears next time this dialog is opened.