[AH-1745] Select second clipping layer automagically if there's only one to choose from.
[AH-1745] Select second clipping layer automagically if there's only one to choose from.

uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend