Fix SyncFolderItems requested shape
Fix SyncFolderItems requested shape

The ItemShape note was missing the BaseShape note. Instead it
had the actual id_only shape as the value of ItemShape.
I guess it only worked because the Exchange server ignored
the value and defaulted to id_only.

otris/ews-cpp,m-Schlitzer/ews-cpp,otris/ews-cpp,otris/ews-cpp,m-Schlitzer/ews-cpp,m-Schlitzer/ews-cpp,otris/ews-cpp