bugfix for torchair graph (#2639)

### What this PR does / why we need it?
bugfix for torchair graph
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?

- vLLM version: v0.10.1.1
- vLLM main:
67c14906aa

Signed-off-by: zhangdepeng <zhangdepeng2@huawei.com>
Co-authored-by: zhangdepeng <zhangdepeng2@huawei.com>

tests/ut/torchair/test_utils.py

@@ -70,7 +70,7 @@ class TestTorchairUtils(TestBase):
              ),
             ("Qwen2ForCausalLM",
              "vllm_ascend.torchair.models.qwen2:CustomQwen2ForCausalLM"),
-            ("Qwen3ForCausalLM",
+            ("Qwen3MoeForCausalLM",
              "vllm_ascend.torchair.models.qwen3_moe:CustomQwen3MoeForCausalLM")
         ]
 

vllm_ascend/torchair/utils.py

@@ -168,7 +168,7 @@ def register_torchair_model():
         "vllm_ascend.torchair.models.qwen2:CustomQwen2ForCausalLM")
 
     ModelRegistry.register_model(
-        "Qwen3ForCausalLM",
+        "Qwen3MoeForCausalLM",
         "vllm_ascend.torchair.models.qwen3_moe:CustomQwen3MoeForCausalLM")