cherry-pick fix(stream): preserve CDC events during recovery startup (#27031) to branch release-3.0

Cherry picking #27031 onto branch release-3.0

Original-PR: risingwavelabs/risingwave#27031 ,

This PR/issue was created by cherry-pick action from commit dc579164094a8c21de9e18f50927eeace2aeb9cb.,

Instructions for Jarvis

Run git cherry-pick dc579164094a8c21de9e18f50927eeace2aeb9cb first, then resolve any conflicts. Avoid unnecessary improvements and keep the diff as close to the original commit as possible. Target branch: release-3.0.