[KV Connector][Mooncake] Apply SWA lookup mask before hashing/key build (#47317)
Signed-off-by: Zhewen Li <zhewenli@inferact.ai>
Co-authored-by: Zhewen Li <zhewenli@inferact.ai>
Co-authored-by: Codex <codex@openai.com>
Co-authored-by: Claude <noreply@anthropic.com>