Placed fence gates are redstone powered

Put the summary of the bug you're having here

What I expected to happen was...:
The fence gate the not have any power

What actually happened was...:
The fence gate was "powered: true" on f3

Steps to Reproduce:
1. Put 3 fence gates side by side and have stone bricks on the ends
2. Put wood pressure plates along 1 side and dont step on them
3. Presto.