The pointer passing for display options is deprecated. This removes the
excess casting as the EDA_FRAME didn't need the base call with no value.
All requests for display options are now returned const and are updated
with a Set() routine after modification.
In Gerbview, this resolves an issue where the display options were not
stored because it was receiving the NULL from EDA_FRAME.
Default out-of-the-box is no hotkey. Removed all the preference stuff.
Note that the new implementation is a little different: the old one only
operated on a selection with a single item where the new one operates on
all selected items. So if you want the whole track do a 'U' before the 'W'
(or whatever you have Change Track Width assigned to).
Fixes: lp:1844023
* https://bugs.launchpad.net/kicad/+bug/1844023
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
Seth Hillbrand
Jeff Young
Seth Hillbrand
jean-pierre charras