[Wow Vanilla Private Server] Charge fixes - Nostalrius Begins

Warrior’s charge spell is a tough one to script. First of all, it is necessary to have a flawless pathfinding, since this is what the spell is based on to calculate its path (underwater, in the air, on a boat...). Also, the charge’s stun was applied after a small delay on retail, which allowed impossible combos otherwise (double charge, double control more generally.) However, this delay on the stun has to be compensated by an interpolation of the target’s movement, otherwise the warrior wouldn’t quite get