[bugfix] fix test_camem failed with triton-ascend (#5492)

### What this PR does / why we need it?
This fixes a bug that occurred when running `test_camem.py` in the
triton-ascend environment `NPU function error:
aclrtGetMemInfo(ACL_HBM_MEM, &device_free, &device_total)`

- vLLM version: v0.13.0
- vLLM main:
5326c89803

---------

Signed-off-by: Meihan-chen <jcccx.cmh@gmail.com>

vllm_ascend/worker/worker.py

@@ -88,6 +88,11 @@ class NPUWorker(WorkerBase):
         # register patch for vllm
         from vllm_ascend.utils import adapt_patch
         adapt_patch()
+        # Import _inductor for graph mode execution with triton
+        # This lazy import avoids torch_npu re-initialization in patch
+        from vllm.triton_utils import HAS_TRITON
+        if HAS_TRITON:
+            import torch_npu._inductor  # noqa: F401
         # Register ops when worker init.
         from vllm_ascend import ops
         ops.register_dummy_fusion_op()