[BUGFIX] fixed bug when displaying type column

- type column display issue when undefined type
- fixed translation label issue
- fixed bug when clicking on contact in contact-accounts tab https://github.com/massiveart/POOL-ALPIN/issues/61
- fixed translation issue with locked column https://github.com/massiveart/POOL-ALPIN/issues/57

__Tasks:__

- [x] gather feedback for my changes

__Informations:__

| Q             | A
| ------------- | ---
| Tests pass?   | yes
| Fixed tickets | yes
| Doc           | none