Call onContentReady handlers also on widthChange
Call onContentReady handlers also on widthChange

To keep compatibility in general and especially to make clearCachedWidth work again

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