fix(ios): video quality

Author: Silvan Adrian

src/ios/CDVCamera.m

@@ -279,7 +279,6 @@ - (void)displayPopover:(NSDictionary*)options
 - (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
 {
     if([navigationController isKindOfClass:[UIImagePickerController class]]){
-        
         // If popoverWidth and popoverHeight are specified and are greater than 0, then set popover size, else use apple's default popoverSize
         NSDictionary* options = self.pickerController.pictureOptions.popoverOptions;
         if(options) {
@@ -290,8 +289,6 @@ - (void)navigationController:(UINavigationController *)navigationController will
                 [viewController setPreferredContentSize:CGSizeMake(popoverWidth,popoverHeight)];
             }
         }
-        
-        
         UIImagePickerController* cameraPicker = (UIImagePickerController*)navigationController;
 
         if(![cameraPicker.mediaTypes containsObject:(NSString*)kUTTypeImage]){
@@ -743,6 +740,9 @@ + (instancetype) createFromPictureOptions:(CDVPictureOptions*)pictureOptions;
         NSArray* mediaArray = @[(NSString*)(pictureOptions.mediaType == MediaTypeVideo ? kUTTypeMovie : kUTTypeImage)];
         cameraPicker.mediaTypes = mediaArray;
     }
+    if (@available(iOS 11.0, *)) {
+      cameraPicker.videoExportPreset = AVAssetExportPreset1920x1080; //full hd
+    }
 
     return cameraPicker;
 }