Fix: Backported fixes for critical issues into the servicing branch (#12240)

Co-authored-by: Marco Franzen <mail@marco-franzen.de>
Co-authored-by: Filippo Ferrario <102259289+ferrariofilippo@users.noreply.github.com>

Author: 3 people

src/Files.App/Actions/Start/UnpinFromStartAction.cs

@@ -22,11 +22,11 @@ public async Task ExecuteAsync()
 			if (context.SelectedItems.Count > 0)
 			{
 				foreach (ListedItem listedItem in context.ShellPage?.SlimContentPage.SelectedItems)
-					await App.SecondaryTileHelper.TryPinFolderAsync(listedItem.ItemPath, listedItem.Name);
+					await App.SecondaryTileHelper.UnpinFromStartAsync(listedItem.ItemPath);
 			}
 			else
 			{
-				await App.SecondaryTileHelper.TryPinFolderAsync(context.ShellPage?.FilesystemViewModel.CurrentFolder.ItemPath, context.ShellPage?.FilesystemViewModel.CurrentFolder.Name);
+				await App.SecondaryTileHelper.UnpinFromStartAsync(context.ShellPage?.FilesystemViewModel.CurrentFolder.ItemPath);
 			}
 		}
 	}

src/Files.App/ViewModels/Dialogs/CreateShortcutDialogViewModel.cs

@@ -66,7 +66,11 @@ public string DestinationItemPath
 		public bool IsLocationValid
 		{
 			get => _isLocationValid;
-			set => SetProperty(ref _isLocationValid, value, nameof(ShowWarningTip));
+			set
+			{
+				if (SetProperty(ref _isLocationValid, value))
+					OnPropertyChanged(nameof(ShowWarningTip));
+			}
 		}
 
 		public bool ShowWarningTip => !string.IsNullOrEmpty(DestinationItemPath) && !_isLocationValid;