v19: Backport !11358 - Rollup node: fix possible GC data loss when reorganisation happens
Context
This MR backports !11358 (merged) to the v19 branch, which includes a fix for a critical bug in the rollup node GC.
This MR backports !11358 (merged) to the v19 branch, which includes a fix for a critical bug in the rollup node GC.