Added snippet pagination

__Tasks:__

- [x] test coverage
- [ ] gather feedback for my changes

__Informations:__

| Q             | A
| ------------- | ---
| Tests pass?   | yes
| Fixed tickets | none
| BC Breaks     | none
| Doc           | none
yes the query is the same but the processing is an other! if your not calling $row->getNode the node content will not be loaded and it is faster!