Wind charges have no cooldown when used by dispensers

The Bug:

Wind charges have no cooldown when used by dispensers.

Wind charges normally have a 10 tick (0.5 second) cooldown when used by the player, however, wind charges inside dispensers completely ignore this cooldown therefore introducing an inconsistency.

Steps to Reproduce:

1. Build the setup as shown in the provided attachment. setup.png
2. Add a power source to the redstone wires and quickly remove it.
3. Watch the dispenser firing the wind charges closely.

Observed Behavior:

Wind charges have no cooldown when used by dispensers.

Expected Behavior:

Wind charges would have a cooldown when used by dispensers.