[Feat]add cpu-offload/layerwise-offload for stable-audio-open & fix output inconsistency with same seed (#2909)

Signed-off-by: sphinxkkkbc <binchengkang8@gmail.com>
Co-authored-by: sphinxkkkbc <binchengkang8@gmail.com>

docs/user_guide/diffusion_features.md

@@ -156,7 +156,7 @@ The following tables show which models support each feature:
 
 | Model | ⚡TeaCache | ⚡Cache-DiT | 🔀SP (Ulysses & Ring) | 🔀CFG-Parallel | 🔀Tensor-Parallel | 🔀HSDP | 💾CPU Offload (Layerwise) | 💾VAE-Patch-Parallel | 💾Quantization | 🔄Step Execution |
 |-------|:----------:|:-----------:|:---------------------:|:--------------:|:-----------------:|:------:|:------------------------:|:--------------------:|:--------------:|:----------------:|
-| **Stable-Audio-Open** | ✅ | ❌ | ❓ | ❓ | ❌ | ✅ | ❌ | ❌ | ✅ | ❌ |
+| **Stable-Audio-Open** | ✅ | ❌ | ❓ | ❓ | ❌ | ✅ | ✅ | ❌ | ✅ | ❌ |
 
 
 ## Feature Compatibility