fix(home): 重绘二级筛选三线图标

test/home/home_preview_layout_test.dart

@@ -98,14 +98,22 @@ void main() {
       tester.getSize(find.byKey(const Key('home-grid-filter'))),
       const Size.square(AppDimens.tapTarget),
     );
-    final filterIcon = tester.widget<Icon>(
-      find.descendant(
-        of: find.byKey(const Key('home-grid-filter')),
-        matching: find.byIcon(Icons.filter_list_rounded),
-      ),
+    final filterIcon = tester.widget<CustomPaint>(
+      find.byKey(const Key('home-secondary-filter-icon')),
     );
-    expect(filterIcon.size, AppDimens.homeSecondaryFilterIcon);
-    expect(filterIcon.color, AppColors.textTertiary);
+    expect(
+      filterIcon.size,
+      const Size.square(AppDimens.homeSecondaryFilterIcon),
+    );
+    final filterMaterial = tester.widget<Material>(
+      find
+          .ancestor(
+            of: find.byKey(const Key('home-grid-filter')),
+            matching: find.byType(Material),
+          )
+          .first,
+    );
+    expect(filterMaterial.color, AppColors.transparent);
     final searchBox = find.descendant(
       of: find.byKey(const Key('home-search-entry')),
       matching: find.byType(Container),