NXP-11160: Fix comment about pairs created and marked as synchronized for content created in a readonly folder
NXP-11515: provide the FileSystemItem in the change summary entry for an unregistered sync root that can be adapted
NXP-11515: Format
NXP-11517: Handle pending pair states with a local_path not None first, in order to process deletion before creation in the case of both events for a file/folder with the same name
NXP-11517: Format
Merge branch 'master' into 5.6.0