DB/SAI: Fix Arcane Disturbances after quest_?_scripts removal

By untaught, closes #5412
DB/Gameobjects: Added spawns on Development Land
DB/Gameobjects: Updated the WDBVerified of the gameobject templates of a4487f8f58d6e19e0499f4a612e66819ae4c9b22 -.-
DB/SAI: Fix few startup errors after 96b3df2