update: fetch relation, swap empty initialisation

app/lib/server_requests/init_state.dart

@@ -43,14 +43,14 @@ Future<void> initialiseState() async {
       // If measurements were fetched successfully, request relation
       if (serverConnection) {
         relationFuture = fetchRelation();
-      } /*else { // Read last saved data
+      } else { // Read last saved data
         relationFuture = loadSavedRelation();
-      }*/
+      }
 
       initSearchOptions();
 
       //selectedRelation = await relationFuture;
-      selectedRelation = Uint8List(0); // NB update once fixed
+      selectedRelation = await relationFuture; // NB update once fixed
       selectedMarkerList = await markerListFuture;
     }
   } catch (e) {