User/Misc

* don't run querys if not strictly required (e.g. query for chars from ajax context)
 * prepare user globals and favorites so errors can be handled and don't destroy the template
   this also allows for profiling of the affected queries
 * add keys to items table to speed up querying for recipes in general and user completions in particular

setup/sql/01-db_structure.sql

@@ -1441,7 +1441,9 @@ CREATE TABLE `aowow_items` (
   KEY `items_index` (`class`),
   KEY `idx_model` (`displayId`),
   KEY `idx_faction` (`requiredFaction`),
-  KEY `iconId` (`iconId`)
+  KEY `iconId` (`iconId`),
+  KEY `spellId1` (`spellId1`),
+  KEY `spellId2` (`spellId2`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;