Image picker doesn't support GIFs upload
Hugo Dozois
Image picker always return a JPEG file even if the original file is a GIF. see (https://github.com/expo/expo/blob/07bbd57b7780be7902a87362afa6838aaf316d36/ios/Exponent/Versioned/Modules/Api/EXImagePicker.m#L167-L168)
Josh Siegl
Would love some support for GIFs in the ImagePicker