https://developers.facebook.com/bugs/757618101026257 PFQueryTableViewController workaround

PFQueryTableViewController_pfquery_workaround

- (void)objectsDidLoad:(nullable NSError *)error {
    [super objectsDidLoad:error];
    
    __block PFGeoPoint *currentLocation = [PFUser currentUser][@"location"];
    NSSortDescriptor *distanceDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"location" ascending:YES comparator:^NSComparisonResult(PFGeoPoint* obj1, PFGeoPoint* obj2) {
        
        return [@([currentLocation distanceInMilesTo:obj1]) compare:@([currentLocation distanceInMilesTo:obj2])];
    }];
    
    [self setValue:[[self.objects sortedArrayUsingDescriptors:@[distanceDescriptor]] mutableCopy] forKey:@"_mutableObjects"];
}