My friend put on armor and then it said he had no armor in the top right but he was wearing armor

Put the summary of the bug you're having here
It shows you have armor on if you look but it does not show the armor logo in top right
What I expected to happen was...: I put on the armor to use
Describe what you thought should happen here
The armor would stay on the Steve
*What actually happened was...:*the armor logo disappeared from the top right corner of the screen but it showed my friend wearing armor.
Describe what happened here
After five minutes maybe less his armor logo disappeared but he was still wearing armor.
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
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