Make sure that `without_count` works when chained after `where`

refs #1077

kaminari-core/test/models/active_record/paginable_without_count_test.rb

@@ -70,6 +70,18 @@ if defined? ActiveRecord
       assert @users.out_of_range?
     end
 
+    test 'it works when chained after `where`' do
+      @scope = User.where.not(id: nil).page(1).without_count
+      @scope.each
+
+      assert_no_queries do
+        assert_not @scope.last_page?
+      end
+      assert_no_queries do
+        assert_not @scope.out_of_range?
+      end
+    end
+
     test 'regression: call arel first' do
       @users = User.page(1).without_count
       @users.arel