Revert changes to DefaultMessageServer per code review

Per feedback from @Bayselonarrend, reverted the changes to DefaultMessageServer that kept the server thread running indefinitely on connection loss. The current implementation still supports reconnection through DelayedConnectionChannel's thread-safe reconnection logic and DefaultDebugService not throwing StopServiceException on disconnect without terminate.

Co-authored-by: nixel2007 <1132840+nixel2007@users.noreply.github.com>

Author: Copilot

src/OneScript.DebugProtocol/TcpServer/DefaultMessageServer.cs

@@ -6,7 +6,6 @@ This Source Code Form is subject to the terms of the
 ----------------------------------------------------------*/
 
 using System;
-using System.IO;
 using System.Threading;
 using OneScript.DebugProtocol.Abstractions;
 
@@ -84,15 +83,7 @@ private void RunCommandsLoop()
                     }
                     catch (ObjectDisposedException)
                     {
-                        // Connection closed, but don't stop server - allow reconnection
-                        // The DelayedConnectionChannel will wait for a new connection
-                        continue;
-                    }
-                    catch (IOException)
-                    {
-                        // Connection lost, but don't stop server - allow reconnection
-                        // The DelayedConnectionChannel will wait for a new connection
-                        continue;
+                        _serverStopped = true;
                     }
                     catch (ThreadInterruptedException)
                     {