[10644] Remove wrong check preventing lootable itesm have at-use spell casts.

[newsbot]

<pre>m src/game/Item.h
m src/game/Mail.cpp
m src/game/ObjectMgr.cpp
m src/shared/revision_nr.h
</pre>
<pre style='white-space:pre-wrap;width:81ex'>[10644] Remove wrong check preventing lootable itesm have at-use spell casts.

But note: like at use spells cast at loot open not implemnted yet.

Also fixed typo in ITEM_DYNFLAG_READABLE.</pre>




Дальше...