[Bugfix][Spec Decode] DFlash/DSpark no longer drop the last prefix-cache block (mamba align context recompute) (#54163)
Signed-off-by: ouzq <ouzq@seu.edu.cn>
Signed-off-by: zjy0516 <riverclouds.zhu@qq.com>
Co-authored-by: OpenAI Codex <noreply@openai.com>
Co-authored-by: zjy0516 <riverclouds.zhu@qq.com>