feat(billing): Fix end time comparision for all view

internal/daemon/controller/handlers/billing/billing_service_test.go

@@ -102,6 +102,11 @@ func Test_MonthlyActiveUsers(t *testing.T) {
 			req:  &pbs.MonthlyActiveUsersRequest{StartTime: threeMonthsAgo, EndTime: oneMonthAgo},
 			res: &pbs.MonthlyActiveUsersResponse{
 				Items: []*pb.ActiveUsers{
+					{
+						Count:     6,
+						StartTime: timestamppb.New(time.Date(today.Year(), today.Month()-2, 1, 0, 0, 0, 0, time.UTC)),
+						EndTime:   timestamppb.New(time.Date(today.Year(), today.Month()-1, 1, 0, 0, 0, 0, time.UTC)),
+					},
 					{
 						Count:     6,
 						StartTime: timestamppb.New(time.Date(today.Year(), today.Month()-3, 1, 0, 0, 0, 0, time.UTC)),