add _native_npu_attention support mask shape like [B,1,1,S]

Author: chang-zhijie

src/diffusers/models/attention_dispatch.py

@@ -1528,7 +1528,7 @@ def _maybe_modify_attn_mask_npu(query: torch.Tensor, key: torch.Tensor, attn_mas
             batch_size, seq_len_q, seq_len_kv = attn_mask.shape[0], query.shape[1], key.shape[1]
             attn_mask = attn_mask.unsqueeze(1).expand(batch_size, seq_len_q, seq_len_kv).unsqueeze(1).contiguous()
         elif attn_mask.ndim == 4 and attn_mask.shape[1:3] == (1, 1):
-            attn_mask = attn_mask.expand(-1, -1, query.shape[1], -1)
+            attn_mask = attn_mask.expand(-1, -1, query.shape[1], -1).contiguous()
 
         attn_mask = ~attn_mask.to(torch.bool)