Hides the hit chance preview on staffs/spells with guaranteed hit chance.

Previously, staffs with no "hit" component (And thus guaranteed hit chance), would still display the hit chance despite this being redundant information:

(Screenshot from our project.)

I have adjusted the conditional to actually check for "hit" component on the staff, so that if the staff is guaranteed to hit, it will not display the hit chance:

It will still display the hit chance on staffs with a "hit" component (I put a "hit" component with value 80 on the berserk staff in the test project)