Updated AbilitySelection.js

The first button, Infusion now will take the user to the second page. If
the the user clicks a gemstone without any focus crystals it will tell
them so and they will click ok. If they have a gem they will be given
the option to confirm or deny that they want to use the gem there. If
the gem is used, the total count is reduced for focus crystals and the
first ability is turned green to show activation.
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