Retrieve form by method so it can be initialized lazy
Retrieve form by method so it can be initialized lazy

Was broken by 6693e6a8

koala-framework/koala-framework,yacon/koala-framework,nsams/koala-framework,Sogl/koala-framework,yacon/koala-framework,darimpulso/koala-framework,kaufmo/koala-framework,Ben-Ho/koala-framework,kaufmo/koala-framework,darimpulso/koala-framework,koala-framework/koala-framework,nsams/koala-framework,yacon/koala-framework,Sogl/koala-framework,nsams/koala-framework,Ben-Ho/koala-framework,kaufmo/koala-framework