Partial fix #90

Now playing gifv won't interrupt existing audio playing. But when switching app state, it still will.

src/components/Timeline.tsx

@@ -139,7 +139,7 @@ const Timeline: React.FC<Props> = ({
         ref={customFLRef || flRef}
         scrollEventThrottle={16}
         onScroll={onScroll}
-        windowSize={10}
+        windowSize={7}
         data={flattenData}
         initialNumToRender={6}
         maxToRenderPerBatch={3}