Draft: Skipped rows are processed continuously at each batch iteration

reroll patch #16 - needs work (tests)

Patch: https://www.drupal.org/files/issues/2022-01-11/3257230-16.patch

added 1 commit

• 38119076 - fix return type of MigrateBatchExecutable::getIdMap

Compare with previous version

added 1 commit

• 301dad52 - fix return type of BatchIdMapFilter::saveIdMapping

Compare with previous version

added 1 commit

• 0bce3f14 - fix return type declaration of BatchSourceFilter::accept()

Compare with previous version