Fix wsssh command to use -p instead of -P

wssshd.py

@@ -184,7 +184,7 @@ def logos_files(filename):
 def connect_terminal(client_id):
     username = request.form.get('username', 'root')
     request_id = str(uuid.uuid4())
-    command = ['wsssh', '-P', str(args.port), f'{username}@{client_id}.{args.domain}']
+    command = ['wsssh', '-p', str(args.port), f'{username}@{client_id}.{args.domain}']
     # Spawn wsssh process
     proc = subprocess.Popen(
         command,