RCTRefreshControl: Updates condition for applying offset

RCTRefreshControl: Updates condition for applying offset to be `!= 0.f`, not `> 0.f`. This will allow negative offsets, if needed.

React/Views/RefreshControl/RCTRefreshControl.m

@@ -125,7 +125,7 @@ - (void)_applyProgressViewOffset
   // Setting the UIRefreshControl's frame breaks integration with ContentInset from the superview
   // if it is a UIScrollView. This integration happens when setting the UIScrollView's .refreshControl
   // property. For this reason, setting the frame manually should be avoided, if not needed.
-  if (_progressViewOffset > 0.f) {
+  if (_progressViewOffset != 0.f) {
     UIView *scrollView = self.superview;
     UIView *target = scrollView.superview;
     CGPoint rawOffset = CGPointMake(0, _progressViewOffset);