fix: 颜色选择器显示逻辑调整

app/web/page/editor/component/DynamicForm/component/ColorSelector/index.vue

@@ -44,6 +44,7 @@
         if (Array.isArray(val)) {
           this.color = val[0];
           this.toColor = val[1];
+          this.showToColor = true;
         } else {
           this.color = val;
         }