* Added request caching to media picker media retrieval, to improve performance in save operations.
* WIP: Update or insert in bulk when updating property data.
* Add tests verifying UpdateBatch.
* Fixed issue with UpdateBatch and SQL Server.
* Removed stopwatch.
* Fix test on SQLite (failing on SQLServer).
* Added temporary test for direct call to NPoco UpdateBatch.
* Fixed test on SQLServer.
* Add integration test verifying the same property data is persisted as before the performance refactor.
* Log expected warning in DocumentUrlService as debug.
(cherry picked from commit 12adfd52bd)