Fix crash due to recursion due to some spells having a cyclic require…

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Автор: killerwife

Fix crash due to recursion due to some spells having a cyclic requirement/chainAlso fixes missing data for warhorse requirement

Подробнее... (https://github.com/cmangos/mangos-wotlk/commit/2896305a55bf9a7cfff75fde7a400f746e493a69)