Fix QwenImage txt_seq_lens handling #1992

Job	Run time
check_code_quality	33s
check_repository_consistency	30s
Setup Torch Pipelines CUDA Slow Tests Matrix	54s
Torch CUDA Tests (schedulers)	5m 23s
Torch CUDA Tests (models)	12m 41s
Torch CUDA Tests (lora)	16m 23s
Torch CUDA Tests (others)	3m 36s
Examples PyTorch CUDA tests on Ubuntu	30m 10s
Torch Pipelines CUDA Tests (controlnet_flux)	3m 31s
Torch Pipelines CUDA Tests (flux)	4m 31s
Torch Pipelines CUDA Tests (controlnet)	9m 14s
Torch Pipelines CUDA Tests (stable_diffusion_3)	3m 32s
Torch Pipelines CUDA Tests (controlnet_sd3)	3m 36s
Torch Pipelines CUDA Tests (stable_diffusion)	4m 44s
Torch Pipelines CUDA Tests (ip_adapters)	2m 58s
Torch Pipelines CUDA Tests (stable_diffusion_2)	4m 52s
Torch Pipelines CUDA Tests (stable_diffusion_xl)	3m 43s
	1h 50m 51s

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