feat:更新主题色适配

lib/widgets/recipe/timeline.dart

@@ -56,20 +56,17 @@ class _RecipeTimeline extends State<RecipeTimeline> {
     if (recordList.isEmpty) {
       return buildEmptyData();
     } else {
+      final colors = Theme.of(context).colorScheme;
+
       return Timeline.tileBuilder(
         theme: TimelineThemeData(nodePosition: 0, indicatorPosition: 0),
         builder: TimelineTileBuilder.connected(
           itemCount: recordList.length,
           connectorBuilder:
-              (context, index, type) => Connector.solidLine(
-                thickness: 2,
-                color: Theme.of(context).colorScheme.primary,
-              ),
+              (context, index, type) =>
+                  Connector.solidLine(thickness: 2, color: colors.primary),
           indicatorBuilder: (context, index) {
-            return Indicator.dot(
-              size: 12.0,
-              color: Theme.of(context).colorScheme.primary,
-            );
+            return Indicator.dot(size: 12.0, color: colors.primary);
           },
           contentsBuilder: (context, index) {
             return Padding(