Testscenario's:
Page with editor and relations:
1. Relation -> Add new (relation) -> Modal must close after submit
2. Editor -> Add new (image) -> Modal (add new image) must close after submit
Page with only an editor
1. Editor -> Add new (mage) -> Modal (add new image) must close after submit
Page with only a relation
1. Relation -> Add new (relation) -> Modal must close after submit