small adaptions in grid. correct removement of overlay components

prevent edit event for ghost:

- [ ] test coverage
- [x] finished the code
- [ ] gathered feedback for my changes
- [ ] submited changes to the documentation


| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  |yes
| Tests pass?   | none
| Fixed tickets | none
| Doc           | none