feat(player): 互动栏改用参考图同款图标资源

test/player/player_fullscreen_test.dart

@@ -474,11 +474,11 @@ void main() {
           .getSize(
             find.descendant(
               of: find.byKey(const Key('player-rail-comments')),
-              matching: find.byIcon(Icons.chat_bubble_outline_rounded),
+              matching: find.byType(Image),
             ),
           )
           .width,
-      30,
+      32,
     );
 
     await tester.tap(find.byKey(const Key('player-synopsis-toggle')));
@@ -586,37 +586,31 @@ void main() {
     await _pumpApp(tester);
     await _openSeriesPlayer(tester);
 
-    Finder railIcon(Key key, IconData icon) =>
-        find.descendant(of: find.byKey(key), matching: find.byIcon(icon));
     expect(
-      railIcon(const Key('player-rail-save'), Icons.star_rounded),
-      findsOneWidget,
+      _railAssetName(tester, const Key('player-rail-save')),
+      'assets/icon/rail/rail_save.png',
     );
     expect(
-      railIcon(const Key('player-rail-like'), Icons.favorite_rounded),
-      findsOneWidget,
+      _railAssetName(tester, const Key('player-rail-comments')),
+      'assets/icon/rail/rail_comment.png',
     );
     expect(
-      railIcon(
-        const Key('player-rail-comments'),
-        Icons.chat_bubble_outline_rounded,
-      ),
-      findsOneWidget,
+      _railAssetName(tester, const Key('player-rail-like')),
+      'assets/icon/rail/rail_like.png',
     );
-    final shareIcon = railIcon(
-      const Key('player-rail-share'),
-      Icons.reply_rounded,
+    expect(
+      _railAssetName(tester, const Key('player-rail-share')),
+      'assets/icon/rail/rail_share.png',
     );
-    expect(shareIcon, findsOneWidget);
-    expect(tester.widget<Icon>(shareIcon).size, 30);
-
-    final mirror = tester.widget<Transform>(
+    final shareImage = tester.widget<Image>(
       find.descendant(
         of: find.byKey(const Key('player-rail-share')),
-        matching: find.byType(Transform),
+        matching: find.byType(Image),
       ),
     );
-    expect(mirror.transform.storage[0], -1);
+    expect(shareImage.width, 32);
+    expect(shareImage.height, 32);
+    expect(shareImage.colorBlendMode, BlendMode.srcIn);
 
     final saveButton = tester.widget<IconButton>(
       find.descendant(
@@ -1132,6 +1126,13 @@ void main() {
   });
 }
 
+String _railAssetName(WidgetTester tester, Key itemKey) {
+  final image = tester.widget<Image>(
+    find.descendant(of: find.byKey(itemKey), matching: find.byType(Image)),
+  );
+  return (image.image as AssetImage).assetName;
+}
+
 void _expectPlayerNavigationBar(WidgetTester tester) {
   final overlay = tester.widget<AnnotatedRegion<SystemUiOverlayStyle>>(
     find.byKey(const Key('player-system-overlay')).last,