Prepare 6.2.0 CE M6 release
LPS-35667 Add logic to *ExportActionableDynamicQuery to automatically add model count to manifest summary
LPS-35667 Apply new pattern to portlet data handlers
LPS-35667 Implement composite keys in ManifestSummary
LPS-35667 Rename getClassName to getManifestSummaryKey to avoid possible misunderstandings
LPS-35667 Change default implementation of getManifestSummaryKey
LPS-35667 Count the exported DDM entities in Journal and PDT portlets
LPS-35667 Fix test
LPS-35667 src format
LPS-35667 Regenerate *ExportActionableDynamicQuery
LPS-35667 SF
Revert "LPS-34852 Don't use the full package name, use an import"

This reverts commit eabcc86b8567ed506939976a14b0ba95a1101ed4.
LPS-33734 Empty string cannot be handled as a valid JSON string
LPS-35516 Calendar events removed after deleting its creator