Explorer: Favorite band, adding "C:\" creates a .lnk in C:\, not in favorites

reactos-bootcd-0.4.16-dev-173-g467efcb-x86-gcc-lin-dbg

• Open Explorer in C:\
• Open Favorites band
• Click Add
• .lnk created in C:\ and nothing in Favorites band
• Code of interest: CNSCBand::_AddFavorite() in dll/win32/shdocvw/CNSCBand.cpp https://git.reactos.org/?p=reactos.git;a=blob;f=dll/win32/shdocvw/CNSCBand.cpp;hb=eafa7c68b61ce250aee7c7a0cb498a80f1e2a17b#l612 
• Using menu, not band, leads to another bug: CORE-19867