This makes two simple changes: * Include the region in the suggestion title. The Merino team added a `region_code` that we can use for this. (Right now we only need to worry about U.S. and Canadian locations.) * When the suggestion is selected, set the input value to the suggestion URL. Currently the input becomes empty, which is strange IMO and isn't how other suggestions behave. Depends on D229090 Differential Revision: https://phabricator.services.mozilla.com/D229091