Armour rendered on armourstands are broken

Verification Build: 1.9.0.5 RC1

Partner Rank: 1

Summary:
The armour stand incorrectly renders armour.

Impact:

Armour appears incorrectly on armour stands and may confused the player. It will result in them thinking the armour is either broken or not see it as armour and may become confused. 

Repro Steps:

1. Download Monsters of the Deep from the store on 1.9
2. Start the map,
3. Leave the submarine up the ladder
4. Enter the corridor and follow Alan 
5. After Alan opens the big door, look to the left for the armour stands  
6. Observe the armour stands displaying armour which looks broken
7. Repeat the process on 1.8
8. Observe the armour stands displaying armour correctly 

 

Observed Results: 

The armour appears to be pulling the wrong model

Expected Results: 
The armour continues to pull the armour model

Screenshots/Videos attached: 

Yes