Fix ConsoleInput for Linux users with try/catch.

[nerun]

Fix a rare Input/Output bug in Console Input Handler for Linux users, as discussed in Discord:

Error:
System.IO.IOException: Input/output error
   at Interop.ThrowExceptionForIoErrno(ErrorInfo errorInfo, String path, Boolean isDirError)
   at Interop.CheckIo(Int64 result, String path, Boolean isDirError)
   at System.IO.StdInReader.ReadKey()
   at System.IO.StdInReader.ReadLineCore(Boolean consumeKeys)
   at System.IO.StdInReader.ReadLine()
   at System.IO.SyncTextReader.ReadLine()
   at System.Console.ReadLine()
   at Server.ConsoleInputHandler.ProcessConsoleInput() in ...ModernUO/Projects/Server/Console/ConsoleInputHandler.cs:line 156
   at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_1(Object state)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
This exception is fatal, press return to exit

Thank you @kamronbatman !!!