map: fixed collection refresh when source initializes

lib/widgets/common/map/geo_map.dart

@@ -7,6 +7,7 @@ import 'package:aves/model/entry/extensions/location.dart';
 import 'package:aves/model/entry/sort.dart';
 import 'package:aves/model/settings/enums/map_style.dart';
 import 'package:aves/model/settings/settings.dart';
+import 'package:aves/model/source/collection_lens.dart';
 import 'package:aves/ref/poi.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/durations.dart';
@@ -32,8 +33,8 @@ import 'package:provider/provider.dart';
 
 class GeoMap extends StatefulWidget {
   final AvesMapController? controller;
-  final Listenable? collectionListenable;
-  final List<AvesEntry> entries;
+  final CollectionLens? collection;
+  final List<AvesEntry>? entries;
   final Size availableSize;
   final LatLng? initialCenter;
   final double? initialZoom;
@@ -59,8 +60,8 @@ class GeoMap extends StatefulWidget {
   const GeoMap({
     super.key,
     this.controller,
-    this.collectionListenable,
-    required this.entries,
+    this.collection,
+    this.entries,
     required this.availableSize,
     this.initialCenter,
     this.initialZoom,
@@ -73,7 +74,7 @@ class GeoMap extends StatefulWidget {
     this.onMarkerTap,
     this.onMarkerLongPress,
     this.openMapPage,
-  });
+  }) : assert(collection != null || entries != null);
 
   @override
   State<GeoMap> createState() => _GeoMapState();
@@ -92,7 +93,7 @@ class _GeoMapState extends State<GeoMap> {
   Fluster<GeoEntry<AvesEntry>>? _slowMarkerCluster;
   final AChangeNotifier _clusterChangeNotifier = AChangeNotifier();
 
-  List<AvesEntry> get entries => widget.entries;
+  List<AvesEntry> get entries => widget.collection?.sortedEntries ?? widget.entries ?? [];
 
   // cap initial zoom to avoid a zoom change
   // when toggling overlay on Google map initial state
@@ -121,7 +122,7 @@ class _GeoMapState extends State<GeoMap> {
   }
 
   void _registerWidget(GeoMap widget) {
-    widget.collectionListenable?.addListener(_onCollectionChanged);
+    widget.collection?.addListener(_onCollectionChanged);
     final controller = widget.controller;
     if (controller != null) {
       _subscriptions.add(controller.markerLocationChanges.listen((event) => _onCollectionChanged()));
@@ -129,7 +130,7 @@ class _GeoMapState extends State<GeoMap> {
   }
 
   void _unregisterWidget(GeoMap widget) {
-    widget.collectionListenable?.removeListener(_onCollectionChanged);
+    widget.collection?.removeListener(_onCollectionChanged);
     _subscriptions
       ..forEach((sub) => sub.cancel())
       ..clear();

lib/widgets/dialogs/pick_dialogs/location_pick_page.dart

@@ -135,8 +135,7 @@ class _ContentState extends State<_Content> with SingleTickerProviderStateMixin
       navigationButton: MapNavigationButton.back,
       child: GeoMap(
         controller: _mapController,
-        collectionListenable: openingCollection,
-        entries: openingCollection?.sortedEntries ?? [],
+        collection: openingCollection,
         availableSize: MediaQuery.sizeOf(context),
         initialCenter: widget.initialLocation,
         isAnimatingNotifier: _isPageAnimatingNotifier,

lib/widgets/map/map_page.dart

@@ -272,8 +272,7 @@ class _ContentState extends State<_Content> with SingleTickerProviderStateMixin
         // key is expected by test driver
         key: const Key('map_view'),
         controller: _mapController,
-        collectionListenable: openingCollection,
-        entries: openingCollection.sortedEntries,
+        collection: openingCollection,
         availableSize: MediaQuery.sizeOf(context),
         initialCenter: widget.initialLocation ?? widget.initialEntry?.latLng ?? widget.overlayEntry?.center,
         initialZoom: widget.initialZoom,