[multipath] scope limiting fixes
[multipath] scope limiting fixes

- move get_refwwid after load_cache
- fix broken wwid matching in filter_pathvec


vijaychauhan/multipath-tools,grzn/multipath-tools-explained,unakatsuo/multipath-tools,gebi/multipath-tools,unakatsuo/multipath-tools,grzn/multipath-tools-explained,unakatsuo/multipath-tools,vijaychauhan/multipath-tools