SPRINGFIELD — After sitting unfilled for years, the legislative inspector general’s position will most likely be filled with a permanent officeholder in coming weeks.Republican Rep. Avery Bourne of Raymond, who chairs the Legislative Ethics Commission, said the vacancy will be filled by month’s end after the commission interviews candidates recommended by an independent committee within the weeks to come.The new inspector general will be the first person to hold to position full time since 2015.Julie B …