Read image as data from path

In order to use this with react-native-image-picker I needed to create the UIImage instance from a file:https://... path.

ios/RNPhotoEditor.m

@@ -40,7 +40,9 @@ - (void)canceledEditing {
  PhotoEditorViewController *photoEditor = [[PhotoEditorViewController alloc] initWithNibName:@"PhotoEditorViewController" bundle: [NSBundle bundleForClass:[PhotoEditorViewController class]]];
 
  // Process Image for Editing
- UIImage *image = [UIImage imageWithContentsOfFile:_editImagePath];
+ NSURL *url = [NSURL URLWithString:_editImagePath];
+ NSData *data = [NSData dataWithContentsOfURL:url];
+ UIImage *image = [UIImage imageWithData:data];
  photoEditor.image = image;
 
  // Process Stickers