[V1][BUGFIX][0.10.1] FIX mtp on main branch (#2632)

### What this PR does / why we need it?
Fix MTP torchair bug caused by torchair refactor and moe refactor

Depends on PRs:
fused moe fix: https://github.com/vllm-project/vllm-ascend/pull/2627 
torchair multi DP fix:
https://github.com/vllm-project/vllm-ascend/pull/2626

### Does this PR introduce _any_ user-facing change?
when dp is enabled, to run mtp online server, need to disable server log
due to the current metrics does not support multi dp
`--disable-log-stats`
### How was this patch tested?


- vLLM version: v0.10.1.1
- vLLM main:
7c8271cd1e

Signed-off-by: xuyexiong <xuyexiong@huawei.com>

tests/ut/torchair/ops/test_torchair_fused_moe.py

@@ -23,6 +23,8 @@ from pytest_mock import MockerFixture
 from vllm.model_executor.layers.fused_moe import FusedMoEMethodBase
 
 from vllm_ascend.ascend_forward_context import _get_fused_moe_state
+from vllm_ascend.quantization.quant_config import AscendFusedMoEMethod
+from vllm_ascend.quantization.quantizer import W8A8Quantizer
 from vllm_ascend.torchair.ops.torchair_fused_moe import (
     TorchairAscendFusedMoE, TorchairAscendUnquantizedFusedMoEMethod)
 from vllm_ascend.utils import AscendSocVersion, adapt_patch  # noqa E402
@@ -233,12 +235,28 @@ class TestTorchairAscendFusedMoe:
         mock_quant_config = MagicMock()
         mock_quant_method = MockFusedMoEMethod()
         mock_quant_config.get_quant_method.return_value = mock_quant_method
+        mock_quant_config.is_layer_skipped_ascend.return_value = False
+        with patch(
+                'vllm_ascend.quantization.quantizer.AscendQuantizer.get_quantizer',
+                return_value=W8A8Quantizer):
+            moe = TorchairAscendFusedMoE(**default_moe_config,
+                                         quant_config=mock_quant_config)
+
+            assert moe.quant_method is not None
+            assert isinstance(moe.quant_method, AscendFusedMoEMethod)
+
+    def test_init_with_mixed_quant(self, mock_dist_env, default_moe_config):
+        mock_quant_config = MagicMock()
+        mock_quant_method = MockFusedMoEMethod()
+        mock_quant_config.get_quant_method.return_value = mock_quant_method
+        mock_quant_config.is_layer_skipped_ascend.return_value = True
 
         moe = TorchairAscendFusedMoE(**default_moe_config,
                                      quant_config=mock_quant_config)
 
         assert moe.quant_method is not None
-        assert moe.quant_method == mock_quant_method
+        assert isinstance(moe.quant_method,
+                          TorchairAscendUnquantizedFusedMoEMethod)
 
     @pytest.mark.parametrize(
         "others_param",