fix |> 19984 图文稿件详情页，播放稿件中的视频，进度滑块与已播放进度条重叠(尺寸)

@@ -372,7 +372,7 @@ export struct WdWebLocalComponent {
               type: SliderBlockType.IMAGE,
               image: $r('app.media.slider_block')
             })
-            .blockSize({ width: 18, height: 12 })
+            .blockSize({ width: 14, height: 10 })
             .onChange((value: number, mode: SliderChangeMode) => {
               this.controller.setCurrentTime(value);
               if (mode == SliderChangeMode.End) {