Fix the retain cycle because of task, fix the progressive main queue dispatch

Author: dreampiggy

Storage/FirebaseStorageUI/FUIStorageImageLoader.m

@@ -119,11 +119,13 @@ - (BOOL)canRequestImageForURL:(NSURL *)url {
  // Get the finish status
  BOOL finished = (fetcher.downloadedLength >= fetcher.bodyLength);
  // This progress block is callbacked on global queue, so it's OK to decode
- UIImage *image = SDImageLoaderDecodeProgressiveImageData(partialData, url, finished, download, options, context);
+ UIImage *image = SDImageLoaderDecodeProgressiveImageData(partialData, url, finished, task, options, context);
  if (image) {
- if (completedBlock) {
- completedBlock(image, partialData, nil, NO);
- }
+ dispatch_main_async_safe(^{
+ if (completedBlock) {
+ completedBlock(image, partialData, nil, NO);
+ }
+ });
  }
  }
  NSProgress *progress = snapshot.progress;