[Core] Fix raid instance reset crash and add a server command to force
reset. Also added a new server command to force reset by an admin.
Credit to @cyberium [c12703]
[Core] Small code optimizations. Thanks to @tzurbaev & @cyberium
[c12706]
[Core] Fix a crashing typo related to .npc unfollow command
Thanks to Lillecarl for pointing
Credit to @Schmoozerd [c12709]
[Core] Set DB Strict filter for creature_movement with MovementType <> 2
Credit to @xfurry [c12710]