### What this PR does / why we need it?
Fix Qwen3VL dense quant model load weights Error.
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
The Qwen3VL quantized model service initialized successfully. Inference
requests are processed correctly, and valid responses are returned.
- vLLM version: v0.13.0
- vLLM main:
d68209402d
Signed-off-by: 李少鹏 <lishaopeng21@huawei.com>