extends SU-creation-dto (#88)
* extends SU-creation-dto
* handle null identification or comments
* fix entities references on creation
* version ++
* my GET campaign/{id} DTO is rich
* fix closing causes enum in constant :rage:
* fix visibility endDate mapping
* fix closing_clause attribute typo
* only INA contactOutcome to TBR state
* fix TBR-SU SQL
expose identificationState in closable SU
* fix null-proof contains method
* clean code
* fix finished identication definition
* fix closable SU on questionnaire stateData
* remove unecessary filter rules
