laiaqwq

### Description ring parallel can't work in wan2.2, RingAttnWeight.apply parameter img_qkv_len should be changed to slice_qkv_len. ### Steps to Reproduce ``` pipe = LightX2VPipeline( model_path="/root/wan22", model_cls="wan2.2_moe_distill", task="i2v", low_noise_original_ckpt="/root/wan22/low_noise_model/wan2.2_i2v_A14b_low_noise_scaled_fp8_e4m3_lightx2v_4step.safetensors", high_noise_original_ckpt="/root/wan22/high_noise_model/wan2.2_i2v_A14b_high_noise_scaled_fp8_e4m3_lightx2v_4step.safetensors", #...