Fixes wrong time unit of scroll event throttle (#25098)

Summary:
We need to use second for calculation, so change 17ms to 0.017s instead.

## Changelog

[iOS] [Fixed] - Fixes wrong time unit of scroll event throttle
Pull Request resolved: #25098

Reviewed By: sahrens, cpojer

Differential Revision: D15576526

Pulled By: sammy-SC

fbshipit-source-id: ddd8dd9098cbe582c6923ce8466892c363c090fc

Author: zhongwuzw

React/Views/ScrollView/RCTScrollView.m

@@ -685,10 +685,10 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
    * warnings, and behave strangely (ListView works fine however), so don't fix it unless you fix that too!
    *
    * We limit the delta to 17ms so that small throttles intended to enable 60fps updates will not
-   * inadvertantly filter out any scroll events.
+   * inadvertently filter out any scroll events.
    */
   if (_allowNextScrollNoMatterWhat ||
-      (_scrollEventThrottle > 0 && _scrollEventThrottle < MAX(17, now - _lastScrollDispatchTime))) {
+      (_scrollEventThrottle > 0 && _scrollEventThrottle < MAX(0.017, now - _lastScrollDispatchTime))) {
 
     if (_DEPRECATED_sendUpdatedChildFrames) {
       // Calculate changed frames