Update BaseLayoutPage.cs

Author: yaira2

src/Files.App/Views/Layouts/BaseLayoutPage.cs

@@ -1027,8 +1027,11 @@ protected virtual void Page_PreviewKeyDown(object sender, KeyRoutedEventArgs e)
 				}
 			}
 
+			if (!typedCharacter.HasValue)
+				return;
+
 			// Handle valid character input
-			if (typedCharacter.HasValue && !Path.GetInvalidFileNameChars().Contains(char.ToLowerInvariant(typedCharacter.Value)))
+			if (!Path.GetInvalidFileNameChars().Contains(char.ToLowerInvariant(typedCharacter.Value)))
 			{
 				var lowerCharString = char.ToLowerInvariant(typedCharacter.Value).ToString();
 
@@ -1048,10 +1051,6 @@ protected virtual void Page_PreviewKeyDown(object sender, KeyRoutedEventArgs e)
 			{
 				switch (pressedKey)
 				{
-					case VirtualKey.Space:
-						shellPage.ShellViewModel.FilesAndFoldersFilter += " ";
-						break;
-
 					case VirtualKey.Back when currentFilter.Length > 1:
 						shellPage.ShellViewModel.FilesAndFoldersFilter = currentFilter[..^1];
 						break;