Fix WebSocket server to use Text frame type for text messages

Changed the frame type from 'Binary' to 'Text' when sending text/JSON messages from the server. This ensures compliance with the WebSocket protocol specification and prevents clients from misinterpreting text data as binary.

Author: prjanitor

Types/WebSocket.ThreadJob/WebSocket.Server.ThreadJob/Send.ps1

@@ -28,7 +28,7 @@ function sendMessage {
             $messageSegment = [ArraySegment[byte]]::new($OutputEncoding.GetBytes($jsonMessage))
             foreach ($socket in $sockets) {
                 if ($null -ne $messageSegment -and $socket.SendAsync) {
-                    $null = $socket.SendAsync($messageSegment, 'Binary', 'EndOfMessage',[Threading.Cancellationtoken]::None)
+                    $null = $socket.SendAsync($messageSegment, 'Text', 'EndOfMessage',[Threading.Cancellationtoken]::None)
                 }    
             }
         }