[Bugfix] Fix in_profile_run in mtp_proposer dummy_run (#5165)

### What this PR does / why we need it?
This PR aims to fix failure of `enable_force_load_balance` caused by
missing `in_profile_run` in `dummy_run` of mtp_proposer.

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

### How was this patch tested?
by ci

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

---------

Signed-off-by: Zetong Li <slippersss@126.com>

vllm_ascend/spec_decode/eagle_proposer.py

@@ -143,7 +143,8 @@ class EagleProposer(Proposer):
                   num_tokens_across_dp: Optional[torch.Tensor] = None,
                   aclgraph_runtime_mode: CUDAGraphMode = CUDAGraphMode.NONE,
                   batch_descriptor=None,
-                  dummy_compute_logits=lambda hidden_states: None):
+                  dummy_compute_logits=lambda hidden_states: None,
+                  is_profile=False):
         # update global cos, sin
         update_cos_sin(self.positions[:num_tokens])