Items held by passengers that attempt to move forward in boats and rafts are hidden

The Bug:

Items held by passengers that attempt to move forward in boats and rafts are hidden.

Steps to Reproduce:

1. Get two players and label them, "Player A" and "Player B".
2. Get "Player A" to enter a boat and have "Player B" enter the same boat.
3. Get "Player B" to enter first-person, if not already.
4. Get "Player B" to attempt to move forward and have them watch the item held in their hand closely.
5. Take note as to whether or not items held by passengers that attempt to move forward in boats and rafts are hidden.

Observed Behavior:

Items are hidden.

Expected Behavior:

Items would not be hidden.