Fix cooldown issues due to zero values and wrong types

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Автор: killerwife


<pre style='white-space:pre-wrap;width:81ex'>Fix cooldown issues due to zero values and wrong types</pre>


Подробнее... (https://github.com/cmangos/mangos-wotlk/commit/c67e0990779ce6284a2b70cb1dc3a1218f9dec16)