Follow-up to #6898. These PIDLs shouldn't be
freed because they are not allocated by
CoTaskMemAlloc.
We should use PIDLs mainly in internal data
instead of physical paths for change
notifications.
JIRA issue: CORE-13950
JIRA issue: CORE-19612
- Re-implement SHGetRealIDL function.
- Translate child IDLs by using SHGetRealIDL.
- Use newly-defined pidl0Temp and pidl1Temp
for temporary creation.
- Improve ILIsParentOrSpecialParent function
without using SHGetPathFromIDListW function.