TextPrompt throws ArgumentOutOfRangeException when DefaultValue() contains non-ASCII chars

[unspecd]

Information

• OS: Linux
• Version: 0.55.2
• Terminal: xterm

Describe the bug

Test (ㅎ): System.ArgumentOutOfRangeException: Console key values must be between 0 and 255 inclusive. (Parameter 'key')
   at System.ConsoleKeyInfo..ctor(Char keyChar, ConsoleKey key, Boolean shift, Boolean alt, Boolean control)
   at Spectre.Console.AnsiConsoleExtensions.ReadLine(IAnsiConsole console, Nullable`1 style, Boolean secret, Nullable`1 mask, IEnumerable`1 items, CancellationToken cancellationToken, String initialInput) in /_/src/Spectre.Console/Extensions/AnsiConsoleExtensions.Input.cs:line 24
   at Spectre.Console.TextPrompt`1.<>c__DisplayClass71_0.<<ShowAsync>b__0>d.MoveNext() in /_/src/Spectre.Console/Prompts/TextPrompt.cs:line 145
--- End of stack trace from previous location ---
   at Spectre.Console.DefaultExclusivityMode.RunAsync[T](Func`1 func) in /_/src/Spectre.Console/Internal/DefaultExclusivityMode.cs:line 40
   at Spectre.Console.TextPrompt`1.ShowAsync(IAnsiConsole console, CancellationToken cancellationToken) in /_/src/Spectre.Console/Prompts/TextPrompt.cs:line 131
   at Spectre.Console.TextPrompt`1.Show(IAnsiConsole console) in /_/src/Spectre.Console/Prompts/TextPrompt.cs:line 123
   at Spectre.Console.AnsiConsole.Prompt[T](IPrompt`1 prompt) in /_/src/Spectre.Console/AnsiConsole.Prompt.cs:line 18

To Reproduce

Here is the minimal example to reproduce the issue (F#):

#r "nuget: Spectre.Console"
open Spectre.Console

let prompt =
    (TextPrompt<string> "Test")
     .EditableDefaultValue(true)
     .DefaultValue("ㅎ")

AnsiConsole.Prompt prompt

• Save the code above to a file, e.g. test.fsx.
• Run the script: dotnet fsi test.fsx.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.

---

Please upvote 👍 this issue if you are interested in it.

[danjourno-dev]

@unspecd If you get a chance, please can you test out my PR to see if it resolves your issue