A paralympian from New Jersey who has won hundreds of gold medals has filed a discrimination lawsuit against Bally’s Atlantic City Hotel and Casino saying the valet parking staff refused to take his staff on two occasions. Douglas Heir, a quadriplegic from Camden County, said the staff declined to park his Ford Transit-350 XLT van because they deemed it an oversized vehicle. “This case arises from the basic right to dignity, respect, and accommodation that our laws require be afforded to individuals with disabilities,” states the suit, filed Tuesday in Superior Court of Atlantic County and fir…