Merge pull request #853 from QichenZhu/fix-ios-content-height

fix(ios): update content view frame based on new layout metrics

Author: okwasniewski

ios/LEGACY/Fabric/LEGACY_RNCPagerViewComponentView.mm

@@ -106,7 +106,7 @@ - (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childCompo
 
 -(void)updateLayoutMetrics:(const facebook::react::LayoutMetrics &)layoutMetrics oldLayoutMetrics:(const facebook::react::LayoutMetrics &)oldLayoutMetrics {
     [super updateLayoutMetrics:layoutMetrics oldLayoutMetrics:_layoutMetrics];
-    self.contentView.frame = RCTCGRectFromRect(_layoutMetrics.getContentFrame());
+    self.contentView.frame = RCTCGRectFromRect(layoutMetrics.getContentFrame());
     _layoutMetrics = layoutMetrics;
 }