Include InternalWONumber in work order list search

- Search now matches against internal WO number, customer WO number,
  title, and location name/title

Api.SeaHavenIndustries/Controllers/WorkOrderController.cs

@@ -382,6 +382,7 @@ namespace Api.SeaHavenIndustries.Controllers
             {
                 var s = search.ToLower();
                 query = query.Where(w =>
+                    (w.InternalWONumber ?? "").ToLower().Contains(s) ||
                     (w.WorkerOrderNumber ?? "").ToLower().Contains(s) ||
                     (w.WorkerOrderTitle ?? "").ToLower().Contains(s) ||
                     (w.Locations.Title ?? "").ToLower().Contains(s) ||