Fix last ID not saving when using --json

toot/cli/post.py

@@ -184,10 +184,11 @@ def post(
         poll_hide_totals=poll_hide_totals,
     )
 
+    status = response.json()
+
     if json:
         click.echo(response.text)
     else:
-        status = response.json()
         if "scheduled_at" in status:
             scheduled_at = parse_datetime(status["scheduled_at"])
             scheduled_at = datetime.strftime(scheduled_at, "%Y-%m-%d %H:%M:%S%z")
@@ -195,7 +196,7 @@ def post(
         else:
             click.echo(f"Toot posted: {status['url']}")
 
-        save_last_post_id(app, user, status["id"])
+    save_last_post_id(app, user, status["id"])
 
     delete_tmp_status_file()