getSelectedStorageBackend
User friendly name of the password manager selected on Linux.
This function will return one of the following values:
basic_text- When the desktop environment is not recognised or if the following command line flag is provided--password-store="basic".gnome_libsecret- When the desktop environment isX-Cinnamon,Deepin,GNOME,Pantheon,XFCE,UKUI,unityor if the following command line flag is provided--password-store="gnome-libsecret".kwallet- When the desktop session iskde4or if the following command line flag is provided--password-store="kwallet".kwallet5- When the desktop session iskde5or if the following command line flag is provided--password-store="kwallet5".kwallet6- When the desktop session iskde6or if the following command line flag is provided--password-store="kwallet6".unknown- When the function is called before app has emitted thereadyevent.