diffusers safetensors stable-diffusion sd1.5 LCM fluently text-to-image base_model:latent-consistency/lcm-lora-sdv1-5 base_model:finetune:latent-consistency/lcm-lora-sdv1-5 license:other autotrain_compatible endpoints_compatible diffusers:StableDiffusionPipeline region:us