refactor(mobile): maplibre (#6087)

* chore: maplibre gl pubspec

* refactor(wip): maplibre for maps

* refactor(wip): dual pane + location button

* chore: remove flutter_map and deps

* refactor(wip): map zoom to location

* refactor: location picker

* open gallery_viewer on marker tap

* remove detectScaleGesture param

* test: debounce and throttle

* chore: rename get location method

* feat(mobile): Adds gps locator to map prompt for easy geolocation (#6282)

* Refactored get gps coords

* Use var for linter's sake, should handle errors better

* Cleanup

* Fix linter issues

* chore(dep): update maplibre to official lib

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Joshua Herrera <joshua.herrera227@gmail.com>

mobile/lib/extensions/maplibrecontroller_extensions.dart

@@ -0,0 +1,71 @@
+import 'dart:math';
+
+import 'package:flutter/services.dart';
+import 'package:immich_mobile/modules/map/models/map_marker.dart';
+import 'package:immich_mobile/modules/map/utils/map_utils.dart';
+import 'package:maplibre_gl/maplibre_gl.dart';
+
+extension MapMarkers on MaplibreMapController {
+  Future<void> addGeoJSONSourceForMarkers(List<MapMarker> markers) async {
+    return addSource(
+      MapUtils.defaultSourceId,
+      GeojsonSourceProperties(
+        data: MapUtils.generateGeoJsonForMarkers(markers.toList()),
+      ),
+    );
+  }
+
+  Future<void> reloadAllLayersForMarkers(List<MapMarker> markers) async {
+    // !! Make sure to remove layers before sources else the native
+    // maplibre library would crash when removing the source saying that
+    // the source is still in use
+    final existingLayers = await getLayerIds();
+    if (existingLayers.contains(MapUtils.defaultHeatMapLayerId)) {
+      await removeLayer(MapUtils.defaultHeatMapLayerId);
+    }
+
+    final existingSources = await getSourceIds();
+    if (existingSources.contains(MapUtils.defaultSourceId)) {
+      await removeSource(MapUtils.defaultSourceId);
+    }
+
+    await addGeoJSONSourceForMarkers(markers);
+
+    await addHeatmapLayer(
+      MapUtils.defaultSourceId,
+      MapUtils.defaultHeatMapLayerId,
+      MapUtils.defaultHeatMapLayerProperties,
+    );
+  }
+
+  Future<Symbol?> addMarkerAtLatLng(LatLng centre) async {
+    // no marker is displayed if asset-path is incorrect
+    try {
+      final ByteData bytes = await rootBundle.load("assets/location-pin.png");
+      await addImage("mapMarker", bytes.buffer.asUint8List());
+      return addSymbol(
+        SymbolOptions(
+          geometry: centre,
+          iconImage: "mapMarker",
+          iconSize: 0.15,
+          iconAnchor: "bottom",
+        ),
+      );
+    } finally {
+      // no-op
+    }
+  }
+
+  Future<LatLngBounds> getBoundsFromPoint(
+    Point<double> point,
+    double distance,
+  ) async {
+    final southWestPx = Point(point.x - distance, point.y + distance);
+    final northEastPx = Point(point.x + distance, point.y - distance);
+
+    final southWest = await toLatLng(southWestPx);
+    final northEast = await toLatLng(northEastPx);
+
+    return LatLngBounds(southwest: southWest, northeast: northEast);
+  }
+}