NXP-15245: Allow to add a document to the "Locally edited" collection
NXP-15246: Don't duplicate code from parent class constructor
NXP-15246: Better comment
NXP-15246: Contribute FileSystemItem adapter for a collection sync root
NXP-15062: Allow to get / update / delete a FileSystemItem by id and parent id (required for right adaptation of locally edited documents)
NXP-15062: Implement deletion of a locally edited document as removal from its parent collection
NXP-15062: Fix comment
NXP-15397: Format
NXP-15397: Allow to Drive Edit any document (not only under a sync root) + use new protocol handler URL
NXP-15246: Adapt unit tests