ssh kitten: Passthrough to ssh if run outside of kitty

Also, ensure that the ssh data request is only served if it is received
over the tty of the correct kitty window.

kitty_tests/__init__.py

@@ -97,7 +97,7 @@ class Callbacks:
     def handle_remote_ssh(self, msg):
         from kittens.ssh.main import get_ssh_data
         if self.pty:
-            for line in get_ssh_data(msg):
+            for line in get_ssh_data(msg, "testing"):
                 self.pty.write_to_child(line)
 
     def handle_remote_echo(self, msg):

kitty_tests/ssh.py

@@ -224,7 +224,7 @@ copy --exclude */w.* d1
         else:
             test_script = f'echo "UNTAR_DONE"; {test_script}'
         script = bootstrap_script(
-            script_type='py' if 'python' in sh else 'sh',
+            script_type='py' if 'python' in sh else 'sh', request_id="testing",
             test_script=test_script, ssh_opts_dict={'*': ssh_opts},
         )
         env = basic_shell_env(home_dir)