Fix some ci issue and refactor modelrunner (#2445)

### What this PR does / why we need it?
Fix some ci issue and refactor modelrunner

### Does this PR introduce _any_ user-facing change?
N/A

### How was this patch tested?
CI passed with existing test.

- vLLM version: v0.10.0
- vLLM main:
4d9c61993a

---------

Signed-off-by: wangli <wangli858794774@gmail.com>
Signed-off-by: MengqingCao <cmq0113@163.com>
Signed-off-by: weiguihua2 <weiguihua2@huawei.com>
Co-authored-by: wangli <wangli858794774@gmail.com>
Co-authored-by: weiguihua2 <weiguihua2@huawei.com>

vllm_ascend/worker/worker_v1.py

@@ -236,7 +236,9 @@ class NPUWorker(WorkerBase):
             self.model_runner.load_model()
 
     def compile_or_warm_up_model(self) -> None:
-        warmup_sizes = self.vllm_config.compilation_config.compile_sizes.copy()
+        # Note: need to adapt for graph mode.
+        warmup_sizes = (self.vllm_config.compilation_config.compile_sizes
+                        or []).copy()
         if not self.model_config.enforce_eager:
             warmup_sizes = [
                 x for x in warmup_sizes if x not in