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Unsupported qwen3_vl #2998

@guweixin

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@guweixin

I tried quantizing the Qwen/Qwen3-VL-4B-Instruct using the below command
optimum-cli export openvino --model Qwen/Qwen3-VL-4B-Instruct Qwen3-VL-4B-Instruct-int4-sym_group-1 --task image-text-to-text --weight-format int4 --trust-remote-code --sym --backup-precision int8_sym --group-size -1
I tried inferring the quantized model using openvino.genai VLM example and getting the below error.
Unsupported 'qwen3_vl' VLM model type

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