[midPoint-git] [Evolveum/midpoint] 0d0a9d: Fix string bucked boundary specification

[mederly]

  Branch: refs/heads/tmp/post-m3-fixes
  Home:   https://github.com/Evolveum/midpoint
  Commit: 0d0a9dff1ccc62fc39de73e194bb67a4e5322cc5
      https://github.com/Evolveum/midpoint/commit/0d0a9dff1ccc62fc39de73e194bb67a4e5322cc5
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2021-03-01 (Mon, 01 Mar 2021)

  Changed paths:
    M infra/schema/src/main/resources/xml/ns/public/common/common-core-3.xsd
    M model/model-intest/src/test/resources/common/task-reconcile-dummy-blue-multinode.xml
    M model/model-intest/src/test/resources/common/task-reconcile-dummy-green-multinode.xml
    M model/model-intest/src/test/resources/common/task-reconcile-dummy-multinode.xml
    M model/model-intest/src/test/resources/iterative-tasks/task-buckets-multithreaded.xml
    M model/model-intest/src/test/resources/sync/task-recompute-roles-multinode.xml
    M model/model-intest/src/test/resources/sync/task-recompute-roles.xml
    M model/model-intest/src/test/resources/sync/task-reconcile-dummy-interrupted-partitioned-multinode.xml
    M model/model-intest/src/test/resources/sync/task-reconcile-dummy-interrupted-partitioned.xml
    M repo/task-quartz-impl/src/main/java/com/evolveum/midpoint/task/quartzimpl/work/segmentation/StringWorkSegmentationStrategy.java
    M repo/task-quartz-impl/src/test/resources/work-buckets/task-120-0.xml
    M repo/task-quartz-impl/src/test/resources/work-buckets/task-125-0.xml
    M repo/task-quartz-impl/src/test/resources/work-buckets/task-130-0.xml

  Log Message:
  -----------
  Fix string bucked boundary specification

Current form of bucket boundary specification was OK for the original
use (within prism properties) but not for prism containers. This commit
brings a container-proof alternative.

This resolves MID-6684.