Enhancement: Re-write current Telnet server implementation using telnetlib3 library

gns3server/compute/virtualbox/virtualbox_vm.py

@@ -1019,9 +1019,7 @@ class VirtualBoxVM(BaseNode):
                 raise VirtualBoxError(f"Could not open serial pipe '{pipe_name}': {e}")
             server = AsyncioTelnetServer(reader=self._remote_pipe, writer=self._remote_pipe, binary=True, echo=True)
             try:
-                self._telnet_server = await asyncio.start_server(
-                    server.run, self._manager.port_manager.console_host, self.console
-                )
+                self._telnet_server = await server.start(self._manager.port_manager.console_host, self.console)
             except OSError as e:
                 self.project.emit(
                     "log.warning",