fix: marker selection + text update

app/lib/pages/widgets/map_widget.dart

@@ -14,9 +14,10 @@ class MapContainerWidget extends StatefulWidget {
 
 class _MapContainerWidgetState extends State<MapContainerWidget> {
 
+  MarkerTemplate? selectedMarker;
+
   @override
   Widget build(BuildContext context) {
-    MarkerTemplate? selectedMarker;
     double screenWidth = MediaQuery.of(context).size.width;
     double boxWidth = 0.9;
     double boxHeight = 1.5;
@@ -96,7 +97,7 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
                     style: TextStyle(fontSize: 30, color: Colors.black),
                   ),
                   Text(
-                    'Latitude: ${selectedMarker?.size}',
+                    'Latitude: ${selectedMarker?.geoData.latitude}',
                     style: const TextStyle(fontSize: 20, color: Colors.black),
                   ),
                   Text(