Merge branch 'redmine-issues/19670' into 'develop'

REDMINE_ISSUE-19670 | Édition projet - Le fond de carte ne s'affiche pas dans l'aperçu

See merge request !737

src/views/Project/ProjectEdit.vue

@@ -791,6 +791,13 @@ export default {
         controls: [],
         zoomControl: false,
       });
+      // add default basemap (in other maps the component SidebarLayer handles layers)
+      mapService.addLayers(
+        null,
+        this.$store.state.configuration.DEFAULT_BASE_MAP_SERVICE,
+        this.$store.state.configuration.DEFAULT_BASE_MAP_OPTIONS,
+        this.$store.state.configuration.DEFAULT_BASE_MAP_SCHEMA_TYPE
+      );
     },
 
     zoomMap() {