No feed button for Mooshrooms, Chickens, Pigs, Sheeps, Rabbits and Tamed Wolfs

Some mobs don't display the "Feed" button while holding specific feed.

Steps To Reproduce Bug :
1.) Make a creative world.
2.) Spawn a Mooshroom, Chicken, Pig, Sheep, Rabbit or tame a Wolf.
3.) Feed an animal.
-Mooshroom with wheat in hand - No feed button.
-Chicken with seeds in hand - No feed button.
-Pig with potato in hand - No feed button.
-Sheep with wheat in hand - No feed button.
-Rabbit with carrot in hand - No feed button.
-Tamed Wolf with Zombie flesh in hand - No feed button.