DB/SlavePens: Corrected a lot of wrong Slave Pens spawns
DB/Creature: Fix even more creature templates
DB/Creature: Fix even more creature templates
DB/Gossip: Fix "Gyll <Gryphon Master>" Gossip
Closes #11956
DB/Gossip: Fix "Alchemist Pestlezugg <Alchemy Supplies>" gossip
Closes #11958