fcl-db: bufdataset: when updates in update buffers are canceled, reverted records must be correctly restored to all active indexes not only in current (then other indexes remains in inconsistent state)
Bug #25314

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26093 3ad0048d-3df7-0310-abae-a5850022a9f2