[midPoint-git] [Evolveum/midpoint] 3160ce: Add built-in metadata mappings support

[mederly]

  Branch: refs/heads/master
  Home:   https://github.com/Evolveum/midpoint
  Commit: 3160ce66a6231458802b94839f33416ae271b20c
      https://github.com/Evolveum/midpoint/commit/3160ce66a6231458802b94839f33416ae271b20c
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2020-06-30 (Tue, 30 Jun 2020)

  Changed paths:
    M infra/prism-api/src/main/java/com/evolveum/midpoint/prism/ItemProcessing.java
    M infra/prism-api/src/main/java/com/evolveum/midpoint/prism/path/ItemPathCollectionsUtil.java
    M infra/schema/src/main/java/com/evolveum/midpoint/schema/util/MiscSchemaUtil.java
    M infra/schema/src/main/resources/xml/ns/public/common/common-core-3.xsd
    M model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/MetadataMappingEvaluator.java
    M model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/ValueMetadataComputation.java
    M model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/ValueMetadataProcessingSpec.java
    A model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/builtin/BaseBuiltinMetadataMapping.java
    A model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/builtin/BuiltinMetadataMapping.java
    A model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/builtin/BuiltinMetadataMappingsRegistry.java
    A model/model-common/src/main/java/com/evolveum/midpoint/model/common/mapping/builtin/CreateTimestampBuiltinMapping.java
    M model/model-intest/src/test/java/com/evolveum/midpoint/model/intest/TestValueMetadata.java
    A model/model-intest/src/test/resources/metadata/creation-metadata-recording/archetype-creation-metadata-recording.xml
    A model/model-intest/src/test/resources/metadata/creation-metadata-recording/template-creation-metadata-recording.xml
    R model/model-intest/src/test/resources/metadata/creation-metadata-recording/template-metadata.xml
    A model/model-intest/src/test/resources/metadata/creation-metadata-recording/user-paul.xml

  Log Message:
  -----------
  Add built-in metadata mappings support

Still very preliminary and incomplete implementation.
Support for storage/creationTimestamp is provided.

Related to MID-6275.