### What this PR does / why we need it?
Fix the bug where the P-node's schedule dead after it force-frees a
request due to timeout and then receives the completed kv cache pulled
by the D-node again. By add list to recode all requests.
- vLLM version: release/v0.13.0
- vLLM main:
81786c8774
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Signed-off-by: liziyu <liziyu16@huawei.com>
Signed-off-by: wangxiaoteng <wangxiaoteng@huawei.com>
Co-authored-by: wangxiaoteng <wangxiaoteng@huawei.com>