Jim Bob and Michelle Duggar recently visited their son Josh Duggar despite him being a convicted s– offender. According to a source, the couple took a trip to see the 36-year-old at his Texas prison after the 19 Kids and Counting alum was sentenced to 12 years in prison for possession of child p—. Jim, 58, and Michelle, 57, “were there for at least five hours,” an eyewitness revealed of the reality TV stars. “Josh likes to sit in the corners so we were too far away to hear anything, but there were lots of smiles and they were still in there when I left,” they added. “They were dressed in no…