on multiple superpositions can switch by clicking on superposed mapitem

src/components/MapConcernements.vue

@@ -148,7 +148,7 @@ export default {
   watch: {
     hover_elmt: {
       handler (n, o) {
-        console.log(`watch hover_elmt map: o, n`, o, n);
+        // console.log(`watch hover_elmt map: o, n`, o, n);
         // over highlight effect on paper items
         if (n && n.paper_id) {
           let nitem = paper.project.getItem({id: n.paper_id});