[z2294] Allow spell effect 77 (ScriptEffect) and aura 226 (PeriodicDummy) to be handled by script library

(based on commit [12409] - fc443ca)

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

(based on commit [s1937] - 9a25c36)

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