Fix race condition

.github/workflows/check.yml

@@ -0,0 +1,28 @@
+name: check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+# Cancel previous builds by only allowing one concurrent build per ref.
+concurrency:
+  group: route_map_check-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    timeout-minutes: 10
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v5
+    - uses: subosito/flutter-action@v2
+      with:
+        channel: stable
+    - name: Get dependencies
+      run: flutter pub get
+    - name: Analyze
+      run: flutter analyze
+    - name: Run format check
+      run: dart format -o none --set-exit-if-changed $(find . -name '*.dart' ! -name '*.g.dart' ! -name '*.freezed.dart' ! -path '*/generated/*' ! -path '*/gen/*')

lib/src/manager/route_map_icon_manager.dart

@@ -74,10 +74,9 @@ class RouteMapIconManager {
   }
 
   Future<void> removeIcon({required String identifier}) async {
-    final searchedSymbolId =
-        _symbolMap.entries
-            .firstWhereOrNull((entry) => entry.value.identifier == identifier)
-            ?.key;
+    final searchedSymbolId = _symbolMap.entries
+        .firstWhereOrNull((entry) => entry.value.identifier == identifier)
+        ?.key;
 
     if (searchedSymbolId == null) {
       return;
@@ -182,14 +181,12 @@ class RouteMapIconManager {
       final pictureInfo = await vg.loadPicture(loader, null);
 
       // Draw the SVG icon
-      final iconWidth =
-          drawCircleAroundIcon
-              ? circleRadius * 1.3
-              : sizeBeforeStroke.width - padding * 2;
-      final iconHeight =
-          drawCircleAroundIcon
-              ? circleRadius * 1.3
-              : sizeBeforeStroke.height - padding * 2;
+      final iconWidth = drawCircleAroundIcon
+          ? circleRadius * 1.3
+          : sizeBeforeStroke.width - padding * 2;
+      final iconHeight = drawCircleAroundIcon
+          ? circleRadius * 1.3
+          : sizeBeforeStroke.height - padding * 2;
       // Compute scaling factors
       final iconScaleX = iconWidth / pictureInfo.size.width;
       final iconScaleY = iconHeight / pictureInfo.size.height;