Add Double Tap to skill check dialog

[farling42]

Need to add double tap to the section that includes Blind Fire and Trademark Weapon so that it works and is easier to activate for users.

[farling42]

The Double Tap perk in the Core Rulebook has an Active Effect called Double Tap which is transferred to the owning Actor.

The effect can be enabled or disabled, depending on whether the Actor wants to use Double Tap or not.

The AE modifies the actor's Energy Weapons and Fire Combat skills by +1.