OZG-6311 OZG-6415 create collaboration request

...ollaboration-shared/src/lib/collaboration.service.spec.ts

...ibs/collaboration-shared/src/lib/collaboration.service.ts

...ntainer/collaboration-in-vorgang-container.component.html

...iner/collaboration-in-vorgang-container.component.spec.ts

...container/collaboration-in-vorgang-container.component.ts

...ration-in-vorgang/collaboration-in-vorgang.component.html

...ion-in-vorgang/collaboration-in-vorgang.component.spec.ts

...boration-in-vorgang/collaboration-in-vorgang.component.ts

...on-request-form/collaboration-request-form.component.html

...request-form/collaboration-request-form.component.spec.ts

...tion-request-form/collaboration-request-form.component.ts

...on-request-form/collaboration.request.formservice.spec.ts

...oration-request-form/collaboration.request.formservice.ts

...-container/organisations-einheit-container.component.html

...ntainer/organisations-einheit-container.component.spec.ts

...it-container/organisations-einheit-container.component.ts

...client/libs/collaboration/src/lib/collaboration.module.ts

.../search-organisations-einheit-container.component.spec.ts

...ainer/search-organisations-einheit-container.component.ts

alfa-client/libs/command-shared/src/lib/command.model.ts