horse player can enter the leaves and get buggy there

Put the summary of the but you're having here

• What I expected to happen was ...:
  I was walking in my world with the horse there found strange leaves go through this should happen?

• Actually What happened was ...:
  the horse past the leaves and the player was bugged him

• Steps to Reproduce:
  1. summon horse
  2. tame it
  3. put the saddle and walk among the tree foliage