[edge_orchestrator] Add data validation in CameraRuleConfig

### Description
Add data validation to check that:
```python
If self.camera_rule_type in [CameraRuleType.MIN_NB_OBJECTS_RULE, CameraRuleType.MAX_NB_OBJECTS_RULE] and  (self.class_to_detect and self.threshold) Then
Raise Exception"..."
```

### Acceptance criteria
Stricter data validation