### What this PR does / why we need it?
Fix the issue of missing NZ conversion for quantized weights in GMM
after moe_dispatch operator in torchair scenario, which does not involve
aclgraph & single scenarios.
### How was this patch tested?
vllm serving passed with lower latency (~5ms TPOT with bs_per_rank=28 &
ep_size=32)
- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0
Signed-off-by: linfeng-yuan <1102311262@qq.com>
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