chore: add note of changes in base mark

Author: xuefei1313

packages/vchart/src/mark/base/base-mark.ts

@@ -1554,6 +1554,7 @@ export class BaseMark<T extends ICommonSpec> extends GrammarItem implements IMar
     const attrsByGroup = noGroupEncode ? null : this._runGroupEncoder(this._encoderOfState?.group);
     graphics.forEach((g, index) => {
       let attrs = this._runEncoderOfGraphic(this._encoderOfState?.update, g);
+      // 此时需要将最终的正确的样式设置给graphic，这样后续的动画目标属性才会正确，否则会动画样式只有默认状态的样式
       g.currentStates?.forEach((_state: string) => {
         const stateAttr = this._runGroupEncoder(this._encoderOfState?.[_state])?.[g.context.groupKey];
         attrs = {