Core/Datastore: updated db2 field names and types to reflect client magic names

*fixed string length for sending names in item_sparse length

src/server/scripts/Commands/cs_misc.cpp

@@ -1231,7 +1231,7 @@ public:
                 auto itr = std::find_if(sItemSparseStore.begin(), sItemSparseStore.end(), [&itemName](ItemSparseEntry const* sparse)
                 {
                     for (uint32 i = 0; i < MAX_LOCALES; ++i)
-                        if (itemName == sparse->Name->Str[i])
+                        if (itemName == sparse->Display->Str[i])
                             return true;
                     return false;
                 });