Convert HEIC Images to JPG

When using/expecting .JPG images from this plugin you will often receive no image returned as Photo captured outside of your app may be stored in HEIC format. This update converts any images being selected from the Gallery to go from HEIC to JPG.

src/ios/MediaPicker.m

@@ -77,8 +77,10 @@
 
 -(void)imageToSandbox:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
     PHImageRequestOptions *options = [[PHImageRequestOptions alloc] init];
+    options.synchronous = NO;
     options.networkAccessAllowed = YES;
     options.resizeMode = PHImageRequestOptionsResizeModeFast;
+    options.version = PHImageRequestOptionsVersionCurrent;
     options.progressHandler = ^(double progress, NSError *error, BOOL *stop, NSDictionary *info) {
         NSString *compressCompletedjs = [NSString stringWithFormat:@"MediaPicker.icloudDownloadEvent(%f,%i)", progress,index];
         [self.commandDelegate evalJs:compressCompletedjs];
@@ -86,6 +88,10 @@
     [[PHImageManager defaultManager] requestImageDataForAsset:asset  options:options resultHandler:^(NSData * _Nullable imageData, NSString * _Nullable dataUTI, UIImageOrientation orientation, NSDictionary * _Nullable info) {
         if(imageData != nil) {
             NSString *filename=[asset valueForKey:@"filename"];
+            if ([filename hasSuffix:@".HEIC"]) {
+                imageData = UIImageJPEGRepresentation([UIImage imageWithData:imageData], 1);
+                filename = [filename stringByReplacingOccurrencesOfString:@".HEIC" withString:@".JPG"];
+            }
             NSString *fullpath=[NSString stringWithFormat:@"%@/%@%@", dmcPickerPath,[[NSProcessInfo processInfo] globallyUniqueString], filename];
             NSNumber *size=[NSNumber numberWithLong:imageData.length];