network: refactor code, update dbus properties of connection session
network: fix missing fieldWired for pppoe
network: refactor code, rename fieldXXX to sectionXXX
network: refactor code, clean code for connection session
network: refactor code, rename old virtual field prefix name from vf- to vs-
network: refactor code, split page function from connection session
network: refactor code, update getCustomConnectinoType()
network: refactor code, split code about page and section to nm_section.go
network: refactor code, rename virtual section to alias section
network: refactor code, remove pageGeneralGetId()
network: refactor code, rename page to virtual section