[WebApiUtils] Fixed GetMultiple count

WebApiUtils/BusinessManager/SqlServerManager.cs

         {
             return Execute((db, table) =>
             {
-                var count = table.Count(predicate);
-                var results = table.OrderBy(orderBy).Where(GetGlobalSelectPredicateStatic())
-                    .Where(predicate).Skip(page * perPage).Take(perPage).Select(DbToDboGetStatic).ToList();
+                var globalPredicate = GetGlobalSelectPredicateStatic();
+                var count = table.Where(globalPredicate).Count(predicate);
+                var results = table.OrderBy(orderBy).Where(globalPredicate).Where(predicate)
+                    .Skip(page * perPage).Take(perPage).Select(DbToDboGetStatic).ToList();
                 var result = new DboGetMultiple<TDboGet>
                 {
                     Count = count,