[ios, osx] Wrap coordinates converted from points

ref #4444

platform/ios/src/MGLMapView.mm

@@ -2150,7 +2150,7 @@ mbgl::Duration MGLDurationInSeconds(NSTimeInterval duration)
 - (mbgl::LatLng)convertPoint:(CGPoint)point toLatLngFromView:(nullable UIView *)view
 {
     CGPoint convertedPoint = [self convertPoint:point fromView:view];
-    return _mbglMap->latLngForPixel(mbgl::ScreenCoordinate(convertedPoint.x, convertedPoint.y));
+    return _mbglMap->latLngForPixel(mbgl::ScreenCoordinate(convertedPoint.x, convertedPoint.y)).wrapped();
 }
 
 - (CGPoint)convertCoordinate:(CLLocationCoordinate2D)coordinate toPointToView:(nullable UIView *)view

platform/osx/src/MGLMapView.mm

@@ -2160,7 +2160,7 @@ public:
         convertedPoint.x,
         // mbgl origin is at the top-left corner.
         NSHeight(self.bounds) - convertedPoint.y,
-    });
+    }).wrapped();
 }
 
 - (NSRect)convertCoordinateBounds:(MGLCoordinateBounds)bounds toRectToView:(nullable NSView *)view {