fixed map layer's order

src/main/webapp/WEB-INF/jsp/accession/map.jsp

@@ -113,6 +113,7 @@
         jQuery(document).ready(function () {
 
             var map = L.map('map').setView([20, 0], 2);
+            var topPane = map._createPane('leaflet-top-pane', map.getPanes().mapPane);
             var mapProviders = {
                 Openstreetmap: L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
                     attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
@@ -188,8 +189,12 @@
             };
             if (cookieUtils.getCookie('mapProviders') && cookieUtils.getCookie('mapProviders') != '') {
                 mapProviders[cookieUtils.getCookie('mapProviders')].addTo(map);
+                topPane.appendChild(mapProviders[cookieUtils.getCookie('mapProviders')].getContainer());
+                mapProviders[cookieUtils.getCookie('mapProviders')].setZIndex(0);
             } else {
                 mapProviders.MapQuest.addTo(map);
+                topPane.appendChild(mapProviders[cookieUtils.getCookie('mapProviders')].getContainer());
+                mapProviders.MapQuest.setZIndex(0);
             }
             $(document).on('cookieUpdate', function () {
                 for (var key in mapProviders) {
@@ -197,8 +202,12 @@
                 }
                 if (cookieUtils.getCookie('mapProviders')) {
                     mapProviders[cookieUtils.getCookie('mapProviders')].addTo(map);
+                    topPane.appendChild(mapProviders[cookieUtils.getCookie('mapProviders')].getContainer());
+                    mapProviders[cookieUtils.getCookie('mapProviders')].setZIndex(0);
                 } else {
                     mapProviders.MapQuest.addTo(map);
+                    topPane.appendChild(mapProviders[cookieUtils.getCookie('mapProviders')].getContainer());
+                    mapProviders.MapQuest.setZIndex(0);
                 }
             });
             $("body").on("click", ".map-provider", function (e) {