PSA: Watch out for extra spaces in chat-template-kwargs when using Qwen3.6 with llama-server

Hey folks, just a heads-up for anyone running Qwen3.6 through `llama-server`. I ran into an issue where the `preserve_thinking` parameter wasn't working as expected, even though I had it explicitly enabled in my `models.ini` config. After some digging, I found that **extra spaces in the JSON string