chore. Avoid failures in the tests of custom items (#18519)

* chore. Avoid failures in the tests of custom items

* Report error but continue with the rest of the item

* change LOG_ERROR for LOG_DEBUG

src/server/game/Globals/ObjectMgr.cpp

@@ -2868,8 +2868,12 @@ void ObjectMgr::LoadItemTemplates()
         // Checks
         ItemEntry const* dbcitem = sItemStore.LookupEntry(entry);
 
-        if (dbcitem)
+        if (!dbcitem)
         {
+            LOG_DEBUG("sql.sql", "Item (Entry: {}) does not exist in item.dbc! (not correct id?).", entry);
+            continue;
+        }
+
         if (enforceDBCAttributes)
         {
             if (itemTemplate.Class != dbcitem->ClassID)
@@ -2908,9 +2912,6 @@ void ObjectMgr::LoadItemTemplates()
                 itemTemplate.Sheath = dbcitem->SheatheType;
             }
         }
-        }
-        else
-            LOG_ERROR("sql.sql", "Item (Entry: {}) does not exist in item.dbc! (not correct id?).", entry);
 
         if (itemTemplate.Quality >= MAX_ITEM_QUALITY)
         {