Nah man, she controls them completely now. You don't take a dragon to a battle like that unless you know you can tell it what to do.Unless Dany can dress her dragons herself I cannot imagine them allowing anyone to put armor on them. Even with her there they're not the most docile of creatures.
Also, they're no longer going around eating people. At this point, if Dany couldn't control Drogon enough for someone to put armor on it, then she'd be a total shitter and all her development is meaningless.