Fix that force decode not works for alpha-channel images. This should only exclude animated images. All other images should use the display alpha info based on whether contains alpha or not to force decode
Fix that force decode not works for alpha-channel images. This should only exclude animated images. All other images should use the display alpha info based on whether contains alpha or not to force decode

smule/SDWebImage,awkward/SDWebImage,awkward/SDWebImage,rs/SDWebImage,dreampiggy/SDWebImage,dreampiggy/SDWebImage,Insfgg99x/SDWebImage,iheartradio/SDWebImage,tualatrix/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage,zhang-yawei/SDWebImage