Snapping to item options were partially disconnected when unifying framework. This re-attaches the options and adds the additional option for graphical items. Fixes: lp:1801377 * https://bugs.launchpad.net/kicad/+bug/1801377
Giving them the correct parent changed the spacing. (cherry picked from commit 7f602f3) (cherry picked from commit 718db46)
(cherry picked from commit 8ee3e77)