[Bugfix] Pass vllm_config to kv_connector_no_forward in NPUModelRunner (#4970)

### What this PR does / why we need it?

The newest version crashes in PD separation scenarios because the
function is missing the `vllm_config` parameter.

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

Signed-off-by: Jade Zheng <zheng.shoujian@outlook.com>

vllm_ascend/worker/model_runner_v1.py

@@ -1444,7 +1444,8 @@ class NPUModelRunner(GPUModelRunner):
                     )
                     # Return empty ModelRunnerOuptut if there's no work to do.
                     return EMPTY_MODEL_RUNNER_OUTPUT
-                return self.kv_connector_no_forward(scheduler_output)
+                return self.kv_connector_no_forward(scheduler_output,
+                                                    self.vllm_config)
 
             if self.dynamic_eplb:
                 self.eplb_updator.forward_before()