Fix search_tree_benefits query to include plots outside an itree region

Also refactors converting tree(s) into a list of dictionaries, which is now
done by a helper function, instead of multiple places
Merge pull request #891 from maurizi/fix/ecoBenefitsDefaultRegion

Fix search_tree_benefits query to include plots outside an itree region
Add animated class to edit mode plot markers, fixes #741
Merge pull request #892 from maurizi/moveMarkerMessage

Add animated class to edit mode plot markers, fixes #741