fix(lib): Convert PHAsset to JPEG for uploading

ios/RNCAssetsLibraryRequestHandler.m

@@ -118,6 +118,38 @@ RCT_EXPORT_MODULE()
       }
       [delegate URLRequest:cancellationBlock didCompleteWithError:error];
     }];
+  } else if (isPHUpload) {
+    // By default, allow downloading images from iCloud
+    PHImageRequestOptions *const requestOptions = [PHImageRequestOptions new];
+    requestOptions.networkAccessAllowed = YES;
+      requestOptions.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
+
+      CGSize const targetSize = CGSizeMake((CGFloat)asset.pixelWidth, (CGFloat)asset.pixelHeight);
+      [[PHImageManager defaultManager] requestImageForAsset:asset
+                                                 targetSize:targetSize
+                                                contentMode:PHImageContentModeDefault
+                                                    options:requestOptions
+                                              resultHandler:^(UIImage * _Nullable image,
+                                                              NSDictionary * _Nullable info) {
+      NSError *const error = [info objectForKey:PHImageErrorKey];
+      if (error) {
+        [delegate URLRequest:cancellationBlock didCompleteWithError:error];
+        return;
+      }
+      
+      NSData *const imageData = UIImageJPEGRepresentation(image, 1.0);
+      NSInteger const length = [imageData length];
+
+      NSURLResponse *const response = [[NSURLResponse alloc] initWithURL:request.URL
+                                                                MIMEType:@"image/jpeg"
+                                                   expectedContentLength:length
+                                                        textEncodingName:nil];
+
+      [delegate URLRequest:cancellationBlock didReceiveResponse:response];
+
+      [delegate URLRequest:cancellationBlock didReceiveData:imageData];
+      [delegate URLRequest:cancellationBlock didCompleteWithError:nil];
+    }];
   } else {
     // By default, allow downloading images from iCloud
     PHImageRequestOptions *const requestOptions = [PHImageRequestOptions new];