Change default reaction on aggro for non-combat movement mobs

This will prevent npcs with non-combat-movement to interrupt (scripted) in-combat movement when AttackStart is called

(based on commit 4e5b1e3)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>
[s1955] Limit targets of spell 10258

Also add positive exception for this one

(based on commit [12438] - 612897d)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>
[s1956] Implement spells 19869 and 20037

Also add stacking exception for spells 19832 and 23014

(based on commit [12439] - 7d53fcd)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>