Fix available classes verification for characters

After the changes of the server, the ids are now returned as string
instead of id. So we needed a more explicit verification in some of
the javascript tests.

Also added a missing class in Tbl_Character_Class table and a script
will all data.

server/scripts/Tbl_Character_Class.sql

@@ -9,6 +9,9 @@ START TRANSACTION;
 
 
 INSERT INTO `Tbl_Character_Class` (`Id_Class`, `Id_Character`) VALUES
+(7, 3),
+(7, 11),
+(7, 19),
 (32, 1),
 (32, 2),
 (33, 3),