I don't think I've ever seen an adult sit on a sofa like this, and I don't have much to add, other than, yes, I believe she had her shoes on at the time the photo was taken. Here's another angle:
Do these people have respect for decorum and the office of the president? No, of course not. They're just doing whatever they want, and they don't care about anything. The Trump Regime is a fiasco.